IP Library › Assignment 019864/0083
Patent Assignment
Reel/Frame 019864/0083

Change of Name

Recorded: 2007-09-21 Pages: 4
Assignor
Assignee
CERTANCE LLC
1650 TECHNOLOGY DRIVE, SUITE 700, SAN JOSE, CALIFORNIA, 95110-1382
Covered Properties (29)
Magnetic Transducer Head Structure
Patent: 4,819,107 →
Application: 06/915,734 →
Circuit for Controlling Frequency and Phase of Voltage Controlled Oscillator in a Data Smoother for a Streaming Cartridge Tape Drive
Patent: 4,837,643 →
Application: 06/928,471 →
Circuit for Provding a Symmetric Current to the Head of a Magnetic Recording Device
Patent: 4,816,932 →
Application: 06/928,472 →
Transducer Head Core Structure with Recessed Magnetic Closures
Patent: 4,849,841 →
Application: 07/036,915 →
Streaming Tape Drive with Direct Block Addressability
Patent: 4,858,039 →
Application: 07/152,384 →
Method and Apparatus for Removing Data Stream Variations
Patent: 5,003,408 →
Application: 07/228,318 →
Compensation Circuit for Nullifying Differential Offset Voltage and Regulating Common Mode Voltage of Differential Signals
Patent: 4,833,418 →
Application: 07/239,302 →
Magnetic Transducer Head Structure with Reduced Leakage Between Core Circuits
Patent: 4,954,921 →
Application: 07/241,090 →
Extraction and Insertion Mechanism for a Leader Block of a Tape Cartridge
Patent: 4,852,825 →
Application: 07/244,694 →
Head-Positioner Arm for Data Recorders
Patent: 5,001,584 →
Application: 07/314,376 →
Lead Screw and Follower-Type Head Positioner for Data Recorders
Patent: 5,050,025 →
Application: 07/314,454 →
Self-Aligning Tachometer and Method of Manufacturing Same
Patent: 4,933,636 →
Application: 07/314,979 →
Method and Apparatus for Servo-Positioning Movable Transducer Heads
Patent: 5,055,951 →
Application: 07/321,915 →
Stationary Head Tape Drive with a Movable Door Opening Mechanism
Patent: 5,109,308 →
Application: 07/342,985 →
Tape Transport with Rigid Arm Threader Mechanism for Leader Block Tape Cartridge
Patent: 4,949,914 →
Application: 07/375,400 →
Auto-Loading Transport for Tape Cartridge with Tape Access Door and Belt Capstan Roller
Patent: 5,025,334 →
Application: 07/405,932 →
Method to Compensate for Tape Slope and Head Azimuth Errors
Patent: 5,001,580 →
Application: 07/413,479 →
Variable Load Motor Drive Control
Patent: 4,963,810 →
Application: 07/428,096 →
Apparatus and Method for Automatic Write Current Calibration in a Streaming Tape Drive
Patent: 5,172,280 →
Application: 07/428,501 →
Apparatus and Method for Automatic Adjustment of Read Amplitude Threshold in a Digital Tape Drive
Patent: 5,081,547 →
Application: 07/433,586 →
Cartridge Loader for Loading Each of a Plurality of Cartridges into a Cartridge Insertion Slot
Patent: 5,050,020 →
Application: 07/434,036 →
Data Randomizing/De-Randomizing Circuit for Randomizing and De- Randomizing Data
Patent: 4,978,955 →
Application: 07/435,002 →
Tape and Mechanism Protection Methods for Dat Drives
Patent: 5,101,311 →
Application: 07/435,008 →
System for Assembling Playback Dat Data Frames Using Indexed Frame Buffer Group According to Logical Frame Numbers in Valid Subcode or Frame Header
Patent: 5,163,136 →
Application: 07/436,570 →
Method and Apparatus for Aligning Cartridges with a Cartridge Insertion Slot
Patent: 5,182,687 →
Application: 07/510,548 →
Track and Hold Phase Locked Loop Circuit
Patent: 5,006,819 →
Application: 07/526,490 →
Storage Module Changer for a Computer Data Storage Drive
Patent: 5,157,564 →
Application: 07/531,993 →
Apparatus for Adjusting a Tape Head for a Magnetic Tape
Patent: 5,198,947 →
Application: 07/546,025 →
Electromagnetic Head Having Interference Compensation Circuitry
Patent: 5,122,916 →
Application: 07/731,285 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 7, 1986
From: TIERNEY, JAMES V. III
To: ARCHIVE CORPORATION, A CORP. OF CA
Reel/Frame 005001/0507 →
Assignment of Assignors Interest. Feb 4, 1988
From: MINTZLAFF, ROGER G.
To: ARCHIVE CORPORATION, A CA CORP.
Reel/Frame 004861/0088 →
Assignment of Assignors Interest. Sep 1, 1988
From: QUINTUS, JOHN J.; SHEEHAN, MICHAEL S.
To: ARCHIVE CORPORATION, 1650 SUNFLOWER AVENUE, COSTA MESA, CALIFORNIA 92626, A CALIFORNIA CORPORATION
Reel/Frame 004937/0603 →
Assignment of Assignors Interest. Jan 2, 1989
From: RICHMOND, ROBERT C.
To: ARCHIVE CORPORATION
Reel/Frame 005210/0305 →
Assignment of Assignors Interest. Feb 22, 1989
From: CARLSON, MICHAEL E.
To: IRWIN MAGNETIC SYSTEMS, INC.
Reel/Frame 005047/0534 →
Assignment of Assignors Interest. Mar 10, 1989
From: BEHR, MICHEAL I.
To: IRWIN MAGNETIC SYSTEMS, INC.,
Reel/Frame 005053/0604 →
Assignment of Assignors Interest. Mar 27, 1989
From: ANGELLOTTI, THOMAS J.
To: IRWIN MAGNETIC SYSTEMS, INC., 2101 COMMONWEALTH BOULEVARD, ANN ARBOR, MI 48105-1561, A CORP. OF DELAWARE
Reel/Frame 005057/0662 →
Assignment of Assignors Interest. Apr 25, 1989
From: KUKREJA, JAGMOHAN S.; BUCKLAND, KURT A.
To: ARCHIVE CORPORATION, A CORP. OF CA
Reel/Frame 005066/0965 →
Assignment of Assignors Interest. May 30, 1989
From: MC GEE, JEFFREY S.; KADIEN, THOMAS C.
To: CIPHER DATA PRODUCTS, INC.
Reel/Frame 005093/0433 →
Assignment of Assignors Interest. Sep 27, 1989
From: ARANOVSKY, ANATOLY; BUCHAN, WILLIAM A.
To: ARCHIVE CORPORATION
Reel/Frame 005180/0172 →
Assignment of Assignors Interest. Oct 26, 1989
From: QUINTUS, JOHN J; SHEEHAN, MICHAEL S.; VU, TUONG M.
To: ARCHIVE CORPORATION
Reel/Frame 005167/0780 →
Assignment of Assignors Interest. Oct 27, 1989
From: ROJAS, ALEJANDRO D.; OUINTUS, JOHN J.
To: ARCHIVE CORPORATION
Reel/Frame 005168/0334 →
Assignment of Assignors Interest. Nov 8, 1989
From: HOWELL, JONES V.
To: ARCHIVE CORPORATION
Reel/Frame 005171/0218 →
Assignment of Assignors Interest. Dec 11, 1989
From: QUINTUS, JOHN J; SHEEHAN, SCOTT; VU, TUONG M.
To: ARCHIVE CORPORATION,
Reel/Frame 005196/0426 →
Assignment of Assignors Interest. Dec 15, 1989
From: PERONA, MARK
To: CIPHER DATA PRODUCTS, INC., A CORP. OF DE.
Reel/Frame 005197/0483 →
Assignment of Assignors Interest. Dec 15, 1989
From: GUY, JON S.
To: CIPHER DATA PRODUCTS, INC., A CORP. OF DE.
Reel/Frame 005197/0485 →
Assignment of Assignors Interest. Dec 15, 1989
From: WOLLER, TOM
To: CIPHER DATA PRODUCTS, INC., A CORP. OF DE.
Reel/Frame 005197/0487 →
Assignment of Assignors Interest. Jan 2, 1990
From: RICHMOND, ROBERT C.
To: ARCHIVE CORPORATION
Reel/Frame 005213/0420 →
Assignment of Assignors Interest. Jan 2, 1990
From: CAMPBELL, KENNETH C.; GRAY, ROGER M.
To: ARCHIVE CORPORATION, A DE CORP.
Reel/Frame 005226/0497 →
Assignment of Assignors Interest. Mar 1, 1990
From: BARTON, WILLIAM M. JR.
To: CIPHER DATA PRODUCTS, INC.
Reel/Frame 005234/0795 →
Security Interest Apr 4, 1990
From: ARCHIVE CORPORATION
To: BARCLAYS BANK PLC
Reel/Frame 005267/0418 →
Assignment of Assignors Interest. Apr 5, 1990
From: MC GEE, JEFFREY S.
To: CIPHER DATA PRODUCTS, INC., A DE. CORP.
Reel/Frame 005268/0273 →
Assignment of Assignors Interest. Apr 9, 1990
From: HOWELL, JONES V.
To: ARCHIVE CORPORATION
Reel/Frame 005267/0809 →
Assignment of Assignors Interest. Apr 18, 1990
From: CAMPBELL, KENNETH C.; GRAY, ROGER M.; KOCKLER, BARRY C.
To: ARCHIVE CORPORATION, A CORP. OF DELAWARE
Reel/Frame 005279/0890 →
Security Interest Apr 26, 1990
From: IRWIN MAGNETIC SYSTEMS, INC.
To: BARCLAYS BANK PLC
Reel/Frame 005281/0484 →