IP Library › Assignment 005184/0213
Patent Assignment
Reel/Frame 005184/0213

Security Interest

Recorded: 1989-10-02 Pages: 38
Assignor
MAGNETIC PERIPHERALS, INC.
Executed: 1989-09-29
Assignee
SECURITY PACIFIC NATIONAL BANK, AS AGENT
40 EAST 52ND ST., NEW YORK, NEW YORK, 10022
Covered Properties (157)
Title Not Available
Application: 05/653,578 →
Disk Memory Module
Patent: 257,675 →
Application: 05/905,817 →
Precision Grinding Wheel Mount and Method of Aligning
Patent: 4,236,355 →
Application: 05/927,321 →
Narrow Track Ferrite Head Cores
Patent: 4,279,102 →
Application: 05/927,325 →
Disc Memory Drive with Improved Cartridge Handling
Patent: 4,272,794 →
Application: 05/949,845 →
Magnetic Peripherals
Patent: 4,194,228 →
Application: 05/950,346 →
Disc Centering
Patent: 4,224,648 →
Application: 05/951,904 →
Cartridge Loading and Unloading Mechanism
Patent: 4,310,864 →
Application: 06/045,484 →
Time Optimal Function Generator for Disk File Magnetic Recording Head Servo Position Control Loop
Patent: 4,257,074 →
Application: 06/048,871 →
Disc Memory Head Arm Lift Mechanism
Patent: 4,302,789 →
Application: 06/119,685 →
Cateye-Signal Intercept Detector for Alighning a Read-Write Head Above a Computer Data Storage Disk
Patent: 4,321,636 →
Application: 06/131,261 →
Gimbal Spring Retainer
Patent: 4,328,521 →
Application: 06/138,032 →
Disc Head Arm Position Controller Using Digital Velocity Sensing
Patent: 4,333,117 →
Application: 06/164,435 →
Method of Aligning a Precission Grinding Wheel Assembly
Patent: 4,297,781 →
Application: 06/170,383 →
Deposition Process
Patent: 4,424,271 →
Application: 06/418,352 →
Fluid Filter Cartridge
Patent: 4,410,341 →
Application: 06/424,928 →
Multichannel Signal Recovery Circuit
Patent: 4,517,610 →
Application: 06/448,137 →
Carriage Assembly
Patent: 4,466,034 →
Application: 06/453,391 →
Pneumatic Cartridge Seal for Computer Disc Drive Cartridge
Patent: 4,405,136 →
Application: 06/453,401 →
Magnetoresistive Head
Patent: 4,535,375 →
Application: 06/457,830 →
Method for Verifying Servo Data
Patent: 4,516,162 →
Application: 06/487,341 →
Slide Lock Mechanism for Disk Drives
Patent: 4,583,142 →
Application: 06/488,565 →
Phase Comparator and Data Separator
Patent: 4,568,881 →
Application: 06/491,001 →
Servo Data Driven Motor Speed Control
Patent: 4,485,337 →
Application: 06/492,847 →
Magnetic Transducer Support Structure
Patent: 4,620,251 →
Application: 06/494,224 →
Peak Amplitude Measurement
Patent: 4,560,940 →
Application: 06/503,118 →
Flatness Measuring Apparatus
Patent: 4,560,924 →
Application: 06/516,828 →
Process for Producing High Precision Apertures in Plastic Components
Patent: 4,495,129 →
Application: 06/529,300 →
Power on/Off Protect Circuit
Patent: 4,493,000 →
Application: 06/537,907 →
Precision Lapping System
Patent: 4,536,992 →
Application: 06/548,598 →
Flat Coil Velocity Transducer
Patent: 4,544,890 →
Application: 06/549,039 →
Apparatus and Method for Shielding Magnetic Heads During a Sputtering Operation
Patent: 4,536,270 →
Application: 06/555,851 →
Doublet Detector for Data Recording or Transmission
Patent: 4,536,740 →
Application: 06/583,476 →
Automatic Throat Height Control for Film Head
Patent: 4,841,625 →
Application: 06/592,346 →
High Speed Coating Process for Magnetic Disks
Patent: 4,551,355 →
Application: 06/614,882 →
Rotary Head Recording System
Patent: 4,647,993 →
Application: 06/636,931 →
Rotary Head Recording System
Patent: 4,636,886 →
Application: 06/636,932 →
Apparatus for Controlling Humidity in a Disk Drive
Patent: 4,620,248 →
Application: 06/646,537 →
Method for Calibrating a Machining Sensor
Patent: 4,559,743 →
Application: 06/665,865 →
Center Pole for Rotary Actuator Coil with Lowered Inductance
Patent: 4,652,779 →
Application: 06/666,525 →
Process for Fabricating Negative Pressure Sliders
Patent: 4,564,585 →
Application: 06/671,062 →
Disk Stripping and Coating Process
Patent: 4,588,611 →
Application: 06/677,936 →
Endless, Fold Magnetoresistive Head
Patent: 4,580,175 →
Application: 06/700,414 →
Disk Cartridge Assembly
Patent: 4,646,193 →
Application: 06/703,859 →
Calibration Standards for Flying Height Testers
Patent: 4,624,564 →
Application: 06/718,311 →
Adjustable Degausser
Patent: 4,607,310 →
Application: 06/733,565 →
Quiet Centrifugal Fan
Patent: 4,662,830 →
Application: 06/773,280 →
Epoxy Mixing and Dispensing System
Patent: 4,777,906 →
Application: 06/794,156 →
Epoxy Mixing System
Patent: 4,668,097 →
Application: 06/794,207 →
Process for Chemically Bonding a Lubricant to a Magnetic Disk
Patent: 4,642,246 →
Application: 06/796,811 →
Damped Static Eliminator for Disk Drives
Patent: 4,623,952 →
Application: 06/823,234 →
Means for Indexing a Rotary Arm in Small Angular Steps
Patent: 4,701,818 →
Application: 06/830,146 →
Damped Voice Coil Actuator
Patent: 4,728,831 →
Application: 06/840,486 →
Thin Film Vertical Recording Head
Patent: 4,667,260 →
Application: 06/841,654 →
Low Diffusion Disk Drive Breather Vent
Patent: 4,751,594 →
Application: 06/865,698 →
Digital Velocity Control for a Disk Drive Servo System
Patent: 4,677,507 →
Application: 06/869,269 →
Adaptive Pulse Slimming System
Application: 06/874,029 →
Self-Loading Magnetic Head Slider
Patent: 4,769,727 →
Application: 06/898,374 →
Thin Film Head with Reduced Cross Section in the Core for Causing Magnetic Saturation in the Leading Leg's Throat Area
Patent: 4,819,111 →
Application: 06/902,359 →
Methods and Apparatus for Performing High Density Isotropic/Perpendicular Digital Magnetic Recording
Patent: 4,891,717 →
Application: 06/909,797 →
Laser Machining for Producing Very Small Parts
Patent: 4,785,161 →
Application: 06/910,593 →
2,7 Code Decoder with No More Than 3 Bits Error Propagation
Patent: 4,737,765 →
Application: 06/921,303 →
Circuit for Phase Locking a Clock Dignal to a Series of Pulses
Patent: 4,712,076 →
Application: 06/923,784 →
Tri-Phase Servo Pattern for Providing Information for Positioning the Transducers of a Magnetic Disk Storage Drive
Patent: 4,811,135 →
Application: 06/932,814 →
Thermo Servo for Track Centering on a Disk
Patent: 4,814,908 →
Application: 06/937,270 →
Ultrasonic Wire Bonding Tool
Patent: 4,778,097 →
Application: 06/938,178 →
Data Error Correction System
Patent: 4,775,978 →
Application: 07/003,961 →
Side-Vented Magnetic Head Air Bearing Slider
Patent: 4,802,042 →
Application: 07/011,655 →
Dual Channel Readback Recovery System
Patent: 4,760,472 →
Application: 07/011,973 →
Non Linear Magnetoresistive Sensor
Patent: 4,841,398 →
Application: 07/015,200 →
Double-Gap Magnetoresistive Head Having an Elongated Central Write/Shield Pole Completely Shielding the Magnetoresistive Sensor Strip in the Read Gap
Patent: 4,803,580 →
Application: 07/015,204 →
Method and Apparatus for Recording Data
Patent: 4,799,112 →
Application: 07/016,166 →
Circuit for Removing Unwanted Slope Transitions from an Incoming Signal
Patent: 4,760,319 →
Application: 07/020,289 →
Electrodeposition of High Moment Cobalt Iron
Patent: 4,756,816 →
Application: 07/056,089 →
Phase Comparator Insensitive to Clock Asymmetry
Patent: 4,754,225 →
Application: 07/070,264 →
High Strength Magnet-Pole Piece Assembly Tool
Patent: 4,748,738 →
Application: 07/075,927 →
Extended Metal in Gap Head
Patent: 4,788,612 →
Application: 07/076,441 →
Ice Fishing Rod
Patent: 4,805,336 →
Application: 07/078,014 →
Static Charge Protection for Magnetic Thin Film Data Transducers
Patent: 4,800,454 →
Application: 07/083,408 →
Capacitor Multiplexing for Magnetoresistive Heads
Patent: 4,833,559 →
Application: 07/092,011 →
Probe Head for Vertical Recording
Patent: 4,748,525 →
Application: 07/096,082 →
Apparatus and Methods for Testing Surface Properties of a Material
Patent: 4,776,202 →
Application: 07/096,185 →
Method for Controlling Electroless Magnetic Plating
Patent: 4,810,520 →
Application: 07/100,317 →
1,7,2,3 Encoding/Decoding Employing 3/2 Frequency Division
Patent: 4,823,209 →
Application: 07/116,989 →
Textured Lapping Plate and Process for Its Manufacture
Patent: 4,821,461 →
Application: 07/123,954 →
Apparatus for Guiding the Flow of Abrasive Slurry Over a Lapping Surface
Patent: 4,850,157 →
Application: 07/123,967 →
Flexure for Rotary Actuated Arm
Patent: 4,868,694 →
Application: 07/131,615 →
Ganged Mr Head Sensor
Patent: 4,851,944 →
Application: 07/152,783 →
Bottleneck Magnetoresistive Element
Patent: 4,821,133 →
Application: 07/152,792 →
Ferrite Core Placement Method and Apparatus
Patent: 4,782,581 →
Application: 07/154,819 →
Magnetic Disk Substrate Polishing Assembly
Patent: 4,930,259 →
Application: 07/157,824 →
Cross Talk Cancellation for Magnetic Read Head Employing Thin Film Transducers Having Oppositely Coiled Coils
Application: 07/159,878 →
Head Suspension for Magnetic Recording
Patent: 4,855,851 →
Application: 07/162,950 →
On-The-Fly Error Correction
Patent: 4,890,287 →
Application: 07/166,085 →
Surface Treatment for Sliders and Carbon Coated Magnetic Media
Patent: 4,863,809 →
Application: 07/166,215 →
Shock Load Detection Device
Patent: 4,862,298 →
Application: 07/167,072 →
Combination Probe and Ring Head for Vertical Recording
Patent: 4,897,749 →
Application: 07/168,820 →
Static Electricity Discharge Device for a Magnetic Head
Patent: 4,841,395 →
Application: 07/171,052 →
Actuator Assembly for Hard Disk Drives
Patent: 4,879,617 →
Application: 07/173,618 →
Disk Drive Spindle Motor
Patent: 4,905,110 →
Application: 07/173,619 →
Servo Address System
Patent: 4,977,472 →
Application: 07/173,770 →
Offset Nulling System for Computer Disk Drives
Patent: 4,969,059 →
Application: 07/173,970 →
Phase Locked Motor Control System for Multiple Disk Drive Units
Patent: 4,843,288 →
Application: 07/174,079 →
Retriggerable Monostable Multivibrator
Patent: 4,800,295 →
Application: 07/174,553 →
Metastable Prevent Circuit
Patent: 4,851,710 →
Application: 07/174,641 →
Disk Drive Unit
Patent: 4,908,715 →
Application: 07/174,702 →
Head/Arm Lock Mechanism for a Disk Drive
Patent: 4,868,695 →
Application: 07/175,448 →
Reducing Harmful Runout in a Rigid Magnetic Disk Through Use of Shims
Patent: 4,875,118 →
Application: 07/176,968 →
Adaptive Velocity Profile for Disk Actuator Control
Patent: 4,899,234 →
Application: 07/177,301 →
Readback Recovery of Run Length Limited Codes
Patent: 4,813,059 →
Application: 07/182,264 →
Read/Write Head with Side Winding Slot
Patent: 4,870,520 →
Application: 07/182,609 →
Disk Spacer Ring Having Air Pumps
Patent: 4,873,594 →
Application: 07/182,675 →
Magnetoresistive Sensing Element with a Projection for Enhanced Data Reading
Patent: 4,843,505 →
Application: 07/185,636 →
Surface Finishing for Magnetic Transducers
Patent: 4,837,923 →
Application: 07/187,968 →
Slurry Dispensing System Having Self-Purging Capabilities
Patent: 4,784,295 →
Application: 07/188,150 →
Thermal Compensation Mechanism for Magnetic Disk Drive Data Storage Units
Patent: 4,860,135 →
Application: 07/207,080 →
Apparatus and Methods for Testing Surface Properties of a Material
Patent: 4,821,578 →
Application: 07/212,441 →
Apparatus and Methods for Testing Surface Properties of a Material
Patent: 4,860,572 →
Application: 07/212,463 →
Self-Initializing 1,7 Code Decoder with Low Sensitivity to Errors in Preamble
Patent: 4,868,690 →
Application: 07/218,019 →
Magnetoresistive Sensor Having Antiferromagnetic Exchange-Biased Ends
Patent: 4,891,725 →
Application: 07/221,479 →
Adaptive Velocity Profile System for a Disk Drive Head
Patent: 4,982,298 →
Application: 07/226,891 →
Disk Drive Assembly Station
Patent: 4,862,584 →
Application: 07/226,897 →
Phase Lock Loop
Patent: 4,875,108 →
Application: 07/227,216 →
Laser Machining for Producing Very Small Parts
Patent: 4,835,361 →
Application: 07/234,370 →
Test Disk Having Fluorocarbon Resin Asperities for Magnetic Disk Drive Component Testing
Patent: 4,931,338 →
Application: 07/244,202 →
High Impact Strength Ceramic Composite Head Pad Material
Patent: 4,975,398 →
Application: 07/247,188 →
Multiple Stage Heat Shielding for Transducer Support Arm
Patent: 4,891,723 →
Application: 07/247,722 →
Textured Lapping Plate and Process for Its Manufacture
Patent: 4,866,886 →
Application: 07/261,751 →
Spindle Motor Flex Cable
Patent: 4,923,406 →
Application: 07/272,450 →
Method for Writing a Tri-Phase Servo Pattern Which Provides Information for Positioning the Transducers of a Magnetic Storage Device
Patent: 4,864,434 →
Application: 07/275,854 →
A Granule Vise for Manufacturing a Magnetic Head Core with a Glass Fillet Adjacent the Inner Edge of the Gap
Patent: 4,874,922 →
Application: 07/277,732 →
Method for Manufacturing a Magnetic Head Core with a Flux Gap Having a Precisely Controlled Length
Patent: 4,942,658 →
Application: 07/277,737 →
Restrictively Damped Actuator Mount for Disc Drives
Patent: 4,982,300 →
Application: 07/282,475 →
Method for Writing a Servo Pattern
Patent: 4,912,576 →
Application: 07/284,134 →
3/2 Frequency Divider
Patent: 4,866,741 →
Application: 07/289,096 →
Apparatus for Gripping High Density Disk Packs for Precision Balancing
Patent: 4,949,579 →
Application: 07/297,213 →
Tribological Head-Disk Interface Testing System
Patent: 5,038,625 →
Application: 07/305,001 →
Grounding Pole Structures in Thin Film Magnetic Heads
Patent: 4,972,286 →
Application: 07/319,144 →
Adaptive Prewrite Compensation Apparatus
Patent: 5,047,876 →
Application: 07/319,251 →
Disk Drive Spindle Motor with Externally Mounted Flux Concentrator Ring
Patent: 4,985,792 →
Application: 07/319,527 →
Electronic Flying Integrity Tester for Disk Drives
Patent: 4,942,609 →
Application: 07/324,220 →
Apparatus for Automatically Applying Servo Track Data to a Selected Servo Surface of a Hard Disk Within a Hard Disk Memory
Patent: 4,980,783 →
Application: 07/330,237 →
Capacitance Height Gauge
Application: 07/345,207 →
Method and Apparatus for Recording Data
Application: 07/357,730 →
Pole Design for Thin Film Magnetic Heads
Patent: 4,970,615 →
Application: 07/358,122 →
Tungsten and Tantalum Diffusion Barriers for Metal-in-Gap Magnetic Heads
Patent: 5,001,589 →
Application: 07/359,162 →
Method for Assigning Tracks on a Magnetic Data Storage Disk to Different Read/Write Frequency Zones
Patent: 5,087,992 →
Application: 07/359,740 →
Low Diffusion Disk Drive Breather Vent
Patent: 34,497 →
Application: 07/359,767 →
Electronic Musical Instrument with a Touch Response Function
Patent: 5,018,430 →
Application: 07/366,733 →
A Method for Determining the Micro Impact Energy Capacity of the Sur- Face of a Disk Drive Head and a Thin Film Disk
Patent: 4,987,766 →
Application: 07/374,197 →
Plasma Treatment for Ceramic Materials
Patent: 5,118,577 →
Application: 07/375,200 →
Use of Nickel-Phosphorous Undercoat for Particulate Media in Magnetic Storage Devices
Patent: 4,929,499 →
Application: 07/380,758 →
Micro-Contamination-Free Coating for Die-Cast Component in Magnetic Disk Drive
Patent: 5,017,439 →
Application: 07/382,098 →
Process for Forming a Bearing Surface on Aluminum Alloy
Application: 07/382,104 →
Low Noise Magnetic Thin Film Longitudinal Media
Patent: 5,162,158 →
Application: 07/383,441 →
Magnetoresistive Head and Head Setting Method
Patent: 5,264,980 →
Application: 07/388,690 →
Tri-Phase Servo Pattern for Providing Positioning Information in a Magnetic Disk Drive
Patent: 5,095,393 →
Application: 07/398,166 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Sep 15, 1982
From: KEEL, BEAT G.; TRAN, TUAN P.; KOLLER, MARA M.; ZIMMERMAN, LARRY D.
To: MAGNETIC PERIPHERALS INC., C/O CONTROL DATA CORPORATION
Reel/Frame 004046/0301 →
Assignment of Assignors Interest. Sep 27, 1982
From: EDWARDS, WILLIAM J.; STRICKLIN, JOHN D.
To: MAGNETIC PERIPHERALS INC., C/O CONTROL DATA CORPORATION
Reel/Frame 004058/0752 →
Assignment of Assignors Interest. Dec 9, 1982
From: MINUHIN, VADIM B.
To: MAGNETIC PERIPHERALS INC.; C/O CONTROL DATA CORPORATION
Reel/Frame 004076/0503 →
Assignment of Assignors Interest. Dec 27, 1982
From: ELSING, JOHN W.; KNOPP, STEVEN D.
To: MAGNETIC PERIPHERALS INC., A CORP. OF DE
Reel/Frame 004081/0920 →
Assignment of Assignors Interest. Dec 27, 1982
From: NEWBERRY, ALFRED L.
To: MAGNETIC PERIPHERALS INC., A CORP. OF DE
Reel/Frame 004081/0916 →
Assignment of Assignors Interest. Jan 14, 1983
From: MOWRY, GREGORY S.; GEORGE, PETER K.
To: MAGNETIC PERIPHERALS INC., C/O CONTROL DATA A CORP. OF DE
Reel/Frame 004084/0375 →
Assignment of Assignors Interest. Jul 15, 1983
From: GITZENDANNER, LOUIS G.
To: MAGNETIC PERIPHERALS INC. C/O CONTROL DATA CORPORATION A CORP. OF DE
Reel/Frame 004148/0449 →
Assignment of Assignors Interest. Jul 15, 1983
From: KOSTROV, ANNA
To: MAGNETIC PERIPHERALS INC., C/O CONTROL DATA CORPORATION, A CORP. OF DE
Reel/Frame 004148/0451 →
Assignment of Assignors Interest. Jul 15, 1983
From: SKARKY, LOREN D.
To: MAGNETIC PERIPHERALS INC., C/O CONTROL DATA CORPORATION, A CORP. OF DE
Reel/Frame 004148/0447 →
Assignment of Assignors Interest. Jul 18, 1983
From: WEST, DAVID E.
To: MAGNETIC PERIPHERALS INC C/O CONTROL DATA CORPORATION, A DE CORP
Reel/Frame 004147/0457 →
Assignment of Assignors Interest. Jul 25, 1983
From: SANDUSKY, RANDALL L.
To: MAGNETIC PERIPHERALS INC., A DE CORP.
Reel/Frame 004150/0392 →
Assignment of Assignors Interest. Aug 19, 1983
From: MAGNETIC PERIPHERALS INC.
To: NEW MPI, INC., A DE CORP.
Reel/Frame 004186/0827 →
Assignment of Assignors Interest. Aug 19, 1983
From: MAGNETIC PERIPHERALS INC.
To: NEW MPI, INC., 8100 34TH AVE., SOUTH, MINNEAPOLIS, MN 55440 A DE CORP.
Reel/Frame 004170/0974 →
Assignment of Assignors Interest. Aug 19, 1983
From: MAGNETIC PERIPHERALS INC.
To: NEW MPI, INC., 8100 34TH AVE., SOUTH, MINNEAPOLIS, MN 55440 A CORP. OF DE
Reel/Frame 004170/0976 →
Assignment of Assignors Interest. Aug 19, 1983
From: MAGNETIC PERIPHERALS INC.
To: NEW MPI, INC., 8100 34TH AVENUE SOUTH, MINNEAPOLIS, MN 55440 A CORP OF DE
Reel/Frame 004170/0982 →
Assignment of Assignors Interest. Aug 19, 1983
From: MAGNETIC PERIPHERALS INC., A DE CORP.
To: NEW MPI, INC., 8100 34TH AVE., SOUTH, MINNEAPOLIS, MN 55440 A DE CORP.
Reel/Frame 004170/0986 →
Assignment of Assignors Interest. Aug 19, 1983
From: MAGNETIC PERIPHERALS, INC.
To: NEW MPI, INC., 8100 34TH AVE., SO., MINNEAPOLIS, MN 55440 A DE CORP.
Reel/Frame 004171/0023 →
Assignment of Assignors Interest. Aug 19, 1983
From: PERIPHERALS INC
To: NEW MPI IC, A DE CORP
Reel/Frame 004180/0985 →
Change of Name Effective June 14,1983 Aug 19, 1983
From: NEW MPI, INC.
To: MAGNETIC PERIPHERALS INC.
Reel/Frame 004186/0823 →
Assignment of Assignors Interest. Aug 19, 1983
From: MAGNETIC PERIPHERALS, INC., A DE CORP
To: NEW MPI, INC., 8100 34TH AVE., SOUTH, MINNEAPOLIS, MN 55440 A CORP. OF DE
Reel/Frame 004170/0972 →
Assignment of Assignors Interest. Aug 14, 1989
From: CONTROL DATA CORPORATION
To: MAGNETIC PERIPHERALS INC., 12501 WHITEWATER DRIVE, MINNETONKA, MN, A DE CORP.
Reel/Frame 005152/0662 →
Merger Effective on 07/02/1990DE Feb 8, 1993
From: MAGNETIC PHERIPHERALS INC.
To: SEAGATE TECHNOLOGY, INC.
Reel/Frame 006486/0237 →
Released by Secured Party May 10, 1993
From: BANKAMERICA
To: SEAGATE TECHNOLOGY, INC.
Reel/Frame 006518/0887 →
Assignment of Assignor's Interest Aug 1, 2000
From: SEAGATE TECHNOLOGY, INC.
To: SEAGATE TECHNOLOGY LLC
Reel/Frame 011077/0319 →
Security Agreement Jan 26, 2001
From: SEAGATE TECHNOLOGY LLC
To: THE CHASE MANHATTAN BANK, AS COLLATERAL AGENT
Reel/Frame 011461/0001 →