IP Library Assignment 003842/0689
Patent Assignment
Reel/Frame 003842/0689

Assignment of Assignors Interest.

Recorded: 1981-03-23 Pages: 2
Assignor
Assignee
IRWIN INTERNATIONAL, INC.
2000 GREEN RD., A CORP. OF MI., ANN ARBOR, MICHIGAN, 48105
Covered Properties (2)
Combined Disc and Tape Drive
Patent: 270,055 →
Application: 06/184,788 →
Integrated Disc and Tape Recorder Drive Unit
Patent: 270,348 →
Application: 06/185,252 →
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Sep 8, 1980
From: IRWIN SAMUEL N.; BUTSCH OTTO R.; LUM FRANCIS; VELAZQUEZ JUAN F.
To: IRWIN INTERNATIONAL
Reel/Frame 003800/0222 →
Assignment of Assignors Interest. Sep 8, 1980
From: IRWIN SAMUEL N.; BUTSCH OTTO R.; LUM FRANCIS; VELAZQUEZ JUAN F.
To: IRWIN INTERNATIONAL, OF WHICH IRWIN INTERNATIONAL INDUSTRIES, INC.
Reel/Frame 003800/0413 →
Security Interest Apr 26, 1990
From: IRWIN MAGNETIC SYSTEMS, INC.
To: BARCLAYS BANK PLC
Reel/Frame 005281/0484 →
Release of Security Interest Sep 14, 1993
From: BARCLAYS BANK PLC, AS COLLATERAL AGENT
To: ARCHIVE CORPORATION
Reel/Frame 006690/0219 →