Patent Assignment
Reel/Frame 004744/0021
Assignment of Assignors Interest.
Recorded: 1987-07-31
Pages: 3
Assignor
WATERWORTH, JOHN R.
Executed: 1987-06-17
Assignee
FERRANTI PLC., A CORP. OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
BRIDGE HOUSE, PARK ROAD, GATLEY, CHEADLE, CHESHIRE, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Data Compression System
Patent:
4,701,745 →
Application:
06/835,793 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 27, 1993
From: FERRANTI INTERNATIONAL PLC
To: STAC ELECTRONICS INCORPORATED
Reel/Frame 006414/0343 →
Change of Name
May 27, 1997
From: STAC ELECTRONICS, INC.
To: STAC, INC.
Reel/Frame 008553/0260 →
Assignment of Assignor's Interest
Aug 29, 1997
From: STAC, INC.
To: HI/FN, INC.
Reel/Frame 008660/0957 →
Security Interest
Jan 4, 1999
From: HI/FN, INC.
To: STAC, INC.
Reel/Frame 009693/0052 →
Release of Security Agreement
Jun 24, 1999
From: HI/FN, INC.
To: STAC, INC.
Reel/Frame 010070/0045 →