Patent Assignment
Reel/Frame 004996/0137
Merger Effective: September 17, 1987
Recorded: 1988-10-03
Pages: 8
Assignor
DREXLER TECHNOLOGY CORPORATION, A CORP. OF CA
Executed: 1988-08-08
Covered Properties
(70)
Method for Making Thermochromic Photomasks
Patent:
4,225,659 →
Application:
06/028,907 →
Reflective Data Storage Medium Made by Silver Diffusion Transfer
Patent:
4,278,756 →
Application:
06/055,270 →
Process for Making a Reflective Data Storage Medium
Patent:
4,278,758 →
Application:
06/072,908 →
Gelatin Epoxy Sheet Materials
Patent:
4,279,989 →
Application:
06/098,830 →
Laser Pyrographic Reflective Recording Layer in a Carbon Containing Absorptive Matrix
Patent:
4,314,260 →
Application:
06/131,288 →
Broadband Reflective Laser Recording and Data Storage Medium with Absorptive Underlayer
Patent:
4,284,716 →
Application:
06/140,136 →
Method for Photographic Replication of Information on an Optical Data Storage Medium
Patent:
4,304,848 →
Application:
06/153,791 →
Reflective Data Storage Medium Made by Silver Diffusion Transfer in Silver-Halide Emulsion Incorporating Nuclei
Patent:
4,298,684 →
Application:
06/161,342 →
Data Storage Medium Having Reflective Particulate Silver Layer
Patent:
4,269,917 →
Application:
06/168,335 →
Optical Data Storage and Recording Medium Having a Replaceable Protective Coverplate
Patent:
4,319,252 →
Application:
06/170,801 →
Multiple Layer Optical Data Storage and Recording Media
Patent:
4,343,879 →
Application:
06/181,378 →
Method for Making a Broadband Reflective Laser Recording and Data Storage Medium with Absorptive Underlayer
Patent:
4,312,938 →
Application:
06/198,242 →
Banking Card for Automatic Teller Machines and the Like
Patent:
4,360,728 →
Application:
06/238,832 →
Reflective Optical Data Storage and Laser Recording Media Having Grooved Dielectric Encoded Prerecorded Information
Patent:
4,385,372 →
Application:
06/259,444 →
Method for Making Gelatin Epoxy Sheet Materials
Patent:
4,321,102 →
Application:
06/259,901 →
Method for Making a Reflective Laser Recording and Data Storage Medium with a Dark Underlayer
Patent:
4,363,870 →
Application:
06/301,203 →
Highly Absorptive Dye-Containing Underlayer for Laser Recording and Data Storage Media
Patent:
4,396,701 →
Application:
06/301,230 →
Medium for Recording Visual Images and Laser Written Data
Patent:
4,503,135 →
Application:
06/443,596 →
Reflective Optical Data Storage and Laser Recording Medium
Patent:
4,463,089 →
Application:
06/451,605 →
Optical Data Retrieval System Using Multi-Spectral Light Sources
Patent:
4,570,252 →
Application:
06/483,808 →
High Data Capacity, Scratch and Dust Resistant, Infrared, Read-Write Data Card for Automatic Teller Machines
Patent:
4,500,777 →
Application:
06/566,966 →
Optical Data Tape Cartridge Having Wide Angle Read/Write Surface
Patent:
4,524,925 →
Application:
06/581,323 →
Optical Data Storage and Recording Media Having Recording Surface Protection
Patent:
4,543,307 →
Application:
06/581,324 →
Three-Beam Optical Servo Tracking System with Two-Track Parallel Readout
Patent:
4,598,393 →
Application:
06/597,485 →
Skew Detection System for Optically Read Data
Patent:
4,588,882 →
Application:
06/617,630 →
Scanning Optical Card Reader
Patent:
4,796,242 →
Application:
06/628,729 →
Debit Card
Patent:
4,598,196 →
Application:
06/629,368 →
Data System Containing a High Capacity Optical Contrast Laser Recordable Wallet-Size Plastic Card
Patent:
4,544,835 →
Application:
06/673,572 →
Method for Making a Laser Recordable Wallet-Size Plastic Card
Patent:
4,542,288 →
Application:
06/673,573 →
Method for Recording Medical Data in Two Modes
Patent:
4,572,891 →
Application:
06/679,204 →
Laser Recording Apparatus with Off-Center Lens and Error Detection
Patent:
4,623,784 →
Application:
06/684,352 →
Method for Dual Image Recording of Medical Data
Patent:
4,665,004 →
Application:
06/692,788 →
Method for Recording Motion Picture Images and Laser Written Data
Patent:
4,603,099 →
Application:
06/692,789 →
Micrographic Film Member with Laser Written Data
Patent:
4,588,665 →
Application:
06/693,855 →
Method of Forming a Personal Information Card
Patent:
4,692,394 →
Application:
06/693,856 →
Optical Data Retrieval System for Multi-Characteristic Reflective Data Storage Media
Patent:
4,642,803 →
Application:
06/707,538 →
Redundant Optical Recording of Information in Different Formats
Patent:
4,711,996 →
Application:
06/721,382 →
System for Optically Reading and Annotating Text on a Data Card
Patent:
4,656,346 →
Application:
06/721,384 →
Dual Stripe Optical Data Card
Patent:
4,683,371 →
Application:
06/763,027 →
Data System Employing Wallet-Size Optical Card
Patent:
4,680,456 →
Application:
06/763,028 →
System and Method for Making Recordable Wallet-Size Optical Card
Patent:
4,680,460 →
Application:
06/763,029 →
Laser Recording and Storage Medium
Patent:
4,680,458 →
Application:
06/774,563 →
Prerecorded Dual Strip Data Storage Card
Patent:
4,609,812 →
Application:
06/774,576 →
Quad Density Optical Data System
Patent:
4,634,850 →
Application:
06/794,336 →
Updatable Micrographic Pocket Data Card
Patent:
4,680,459 →
Application:
06/798,146 →
Personal Information Card System
Patent:
4,745,268 →
Application:
06/822,067 →
Data Card Cassette
Patent:
4,700,840 →
Application:
06/829,720 →
Protective Envelope for Optical Data Card
Patent:
4,711,347 →
Application:
06/829,802 →
Optical Recording Tape with Continuous Prerecorded Tracks
Patent:
4,937,810 →
Application:
06/855,228 →
Data Card with Peelable Protective Layers
Patent:
4,736,966 →
Application:
06/859,091 →
Ultrathin Optical Recording Medium with Moisture Barrier
Patent:
4,692,402 →
Application:
06/859,116 →
Method and Apparatus for Stepped Imaging in Reading Data
Patent:
4,745,484 →
Application:
06/892,221 →
Method for Extending Life of Optically Recorded Information
Patent:
4,889,979 →
Application:
06/896,991 →
Read-Only Optical Data Card
Application:
06/906,114 →
Dual Beam Optical Data System
Patent:
4,730,293 →
Application:
06/907,956 →
Slides and Recording Method for Audiovisual Slide Show
Patent:
4,758,485 →
Application:
06/917,271 →
Optical Recording Method for Data Cards
Patent:
4,910,725 →
Application:
06/920,809 →
Transmissively Read Quad Density Optical Data System
Patent:
4,786,792 →
Application:
06/925,197 →
High Contrast Optical Memory Tape
Patent:
4,788,129 →
Application:
06/935,999 →
Multiple Card Recording System
Patent:
4,820,913 →
Application:
06/937,648 →
Method for Forming Data Cards with Registered Images
Patent:
4,818,852 →
Application:
07/031,714 →
Portable Detachable Data Record
Application:
07/031,715 →
High Contrast Optical Memory Disk
Patent:
4,762,770 →
Application:
07/039,505 →
Optical Memory Card with Versatile Storage Medium
Patent:
4,837,134 →
Application:
07/039,506 →
High Contrast Optical Memory Tape
Patent:
4,753,864 →
Application:
07/039,507 →
Read-Only Optical Card and System
Patent:
4,734,565 →
Application:
07/046,952 →
Updatable Micrographic Pocket Data Card
Patent:
4,814,594 →
Application:
07/070,837 →
Erasable Optical Wallet-Size Data Card
Patent:
4,810,868 →
Application:
07/072,307 →
Method and Apparatus for Reading Data Pages on a Data Surface
Patent:
4,864,630 →
Application:
07/136,895 →
Debit Card Postage Meter
Patent:
4,901,241 →
Application:
07/172,693 →
Related Assignments
(19)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 15, 1980
From: DREXLER JEROME
To: DREXLER TECHNOLOGY CORPORATION, A CORP. OF CA.
Reel/Frame 003791/0593 →
Assignment of Assignors Interest.
Sep 8, 1980
From: BOULDIN ERIC W.; DREXLER JEROME
To: DREXLER TECHNOLOGY CORPORATION, A CORP. OF CA.
Reel/Frame 003798/0428 →
Assignment of Assignors Interest.
Sep 12, 1980
From: DREXLER JEROME
To: DREXLER TECHNOLOGY CORPORATION
Reel/Frame 003805/0735 →
Assignment of Assignors Interest.
Sep 12, 1980
From: DREXLER JEROME; BOULDIN ERIC W.
To: DREXLER TECHNOLOGY CORPORATION
Reel/Frame 003805/0745 →
Assignment of Assignors Interest.
Feb 23, 1981
From: DREXLER JEROME; BOULDIN ERIC W.
To: DREXLER TECHNOLOGY CORPORATION
Reel/Frame 003829/0368 →
Assignment of Assignors Interest.
Jun 2, 1981
From: DREXLER JEROME
To: DREXLER TECHNOLOGY CORPORATION, A CORP OF CA
Reel/Frame 003869/0820 →
Assignment of Assignors Interest.
Jun 2, 1981
From: DREXLER JEROME; BOULDIN ERIC W.
To: DREXLER TECHNOLOGY CORPORATION, A CORP. OF CA
Reel/Frame 003869/0812 →
Assignment of Assignors Interest.
Jun 2, 1981
From: DREXLER JEROME; BETZ CARL R.
To: DREXLER TECHNOLOGY CORPORATION, A CORP. OF CA
Reel/Frame 003869/0816 →
Assignment of Assignors Interest.
Jun 2, 1981
From: DREXLER JEROME
To: DREXLER TECHNOLOGY CORPORATION
Reel/Frame 003869/0828 →
Assignment of Assignors Interest.
Oct 2, 1981
From: BOULDIN, ERIC W.
To: DREXLER TECHNOLOGY CORPORATION, A CORP.OF CA.
Reel/Frame 003931/0171 →
Assignment of Assignors Interest.
Oct 2, 1981
From: BOULDIN, ERIC W.
To: DREXLER TECHNOLOGY CORPORATION, A CORP.OF CA.
Reel/Frame 003931/0167 →
Assignment of Assignors Interest.
Feb 6, 1983
From: BOULDIN, ERIC W.
To: DREXLER TECHNOLOGY CORPORATION A CORP. OF CA
Reel/Frame 004093/0724 →
Assignment of Assignors Interest.
Jun 6, 1983
From: DREXLER, JEROME
To: DREXLER TECHNOLOGY CORPRATION, A CORP. OF CA.
Reel/Frame 004133/0555 →
Assignment of Assignors Interest.
Nov 7, 1983
From: DREXLER, JEROME
To: DREXLER TECHNOLOGY CORPORATION, A CORP OF CA
Reel/Frame 004186/0516 →
Assignment of Assignors Interest.
Mar 19, 1984
From: HADDOCK, RICHARD
To: DREXLER TECHNOLOGY CORPORATION A CA CORP
Reel/Frame 004234/0431 →
Assignment of Assignors Interest.
Mar 19, 1984
From: DREXLER, JEROME; HADDOCK, RICHARD
To: DREXLER TECHOLOGY CORPORATION A CA CORP
Reel/Frame 004234/0387 →
Assignment of Assignors Interest.
May 9, 1984
From: PIERCE, GERALD A.; BUXTON, JAMES L.; PEPPERS, NORMAN A.; VINZANT, WARREN J.
To: DREXLER TECHNOLOGY CORPORATION 3960 FABIAN WAY PALO ALTO CALIFORNIA 94303 A CORP OF CA
Reel/Frame 004253/0482 →
Assignment of Assignors Interest.
Jul 9, 1984
From: BUXTON, JAMES L.
To: DREXLER TECHNOLOGY CORPORATION
Reel/Frame 004277/0763 →
Change of Name
Nov 23, 2004
From: DREXLER TECHNOLOGY CORPORATION
To: LASERCARD CORPORATION
Reel/Frame 016004/0842 →