Patent Assignment
Reel/Frame 006801/0591
Assignment of Assignor's Interest
Recorded: 1993-12-16
Pages: 2
Assignors
CALLAHAN, MICHAEL J., JR.
Executed: 1993-12-01
LUDDEN, CHRISTOPHER A.
Executed: 1993-12-01
Assignee
CRYSTAL SEMICONDUCTOR CORPORATION
4210 SOUTH INDUSTRIAL DRIVE, AUSTIN, TEXAS, 78744
Covered Property
(1)
Signal Driver Circuit for Liquid Crystal Displays
Patent:
5,574,475 →
Application:
08/138,366 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 10, 1999
From: CRYSTAL SEMICONDUCTOR CORPORATION
To: CIRRUS LOGIC, INC.
Reel/Frame 009958/0316 →
Assignment of Assignor's Interest
May 17, 1999
From: CIRRUS LOGIC, INC; CIRRUS LOGIC INTERNATIONAL, LTD
To: WINBOND ELECTRONICS CORPORATION
Reel/Frame 009950/0380 →
Assignment of Assignor's Interest
Sep 2, 2006
From: WINBOND ELECTRONICS CORP.
To: CHEERTEK INC.
Reel/Frame 018207/0382 →