Patent Assignment
Reel/Frame 004061/0313
Assignment of Assignors Interest.
Recorded: 1982-10-22
Pages: 2
Assignor
VAN BRUNT, NICHOLAS P.
Executed: 1982-10-19
Assignee
CONTROL DATA CORPORATION
8100-34TH AVE., A CORP OF DE, SOUTH, MINNAPOLIS, MINNESOTA, 55440
Covered Property
(1)
Simulator System for Logic Design Validation
Patent:
4,527,249 →
Application:
06/436,162 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 7, 1985
From: CONTROL DATA CORPORATION
To: ZYCAD CORPORATION, A CORP. OF
Reel/Frame 004474/0512 →
Security Interest
Jan 14, 1997
From: ZYCAD CORPORATION, A DE CORP.
To: COAST BUSINESS CREDIT, A DIVISION OF SOUTHERN PACIFIC THRIFT & LOAN ASSOCIATION, A CORP. OF CA
Reel/Frame 008222/0306 →
Assignment of Assignor's Interest
May 5, 1997
From: ZYCAD CORPORATION
To: IKOS SYSTEMS, INC.
Reel/Frame 008495/0536 →
Reassignment and Release of Security Interest
Jun 18, 1997
From: COAST BUSINESS CREDIT, A DIVISION OF SOUTHERN PACIFIC THRIFT & LOAN ASSOCIATION
To: ZYCAD CORPORATION
Reel/Frame 008579/0067 →
Assignment of Assignor's Interest
Sep 21, 2005
From: IKOS SYSTEMS, INC.
To: MENTOR GRAPHICS CORPORATION
Reel/Frame 016561/0467 →