Patent Assignment
Reel/Frame 004473/0036
Assignment of Assignors Interest.
Recorded: 1985-10-04
Pages: 1
Assignee
Covered Property
(1)
Memory Management System Impoving the Efficiency of Fork Operations
Patent:
4,812,981 →
Application:
06/790,839 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Mar 16, 1990
From: DR HOLDINGS INC., A DE CORP.; DR ACQUISITION CORP., A CORP. OF DE; PRIME COMPUTER INC.; VERSACAS CORPORATION
To: CHEMICAL BANK (A NEW YORK BANKING CORPORATION)
Reel/Frame 005333/0131 →
Security Interest
Nov 2, 1992
From: COMPUTERVISION CORPORATION, A CORP. OF DE
To: CHEMICAL BANK, A NY CORP.
Reel/Frame 006314/0077 →
Assignment of Assignor's Interest
Jun 1, 1993
From: PRIME COMPUTER, INC.
To: COMPUTERVISION CORPORATION
Reel/Frame 006663/0565 →
Patent Collateral Assignment and Security Agreement
Oct 8, 1997
From: CVSI, INC., A DELAWARE CORPORATION
To: BANKBOSTON, N.A., AS AGENT, A NATIONAL BANKING ASSOCIATION
Reel/Frame 008744/0621 →
Assignment of Assignor's Interest
Oct 8, 1997
From: COMPUTERVISION CORPORATION
To: CVSI, INC.
Reel/Frame 008792/0024 →
Termination and Release of Assignment of Security Interest in Patents
Apr 20, 1998
From: COMPUTERVISION CORPORATION, A DELAWARE CORPORATION
To: CHASE MANHATTAN BANK (F/K/A CHEMICAL BANK), AS COLLATERAL AGENT
Reel/Frame 009178/0329 →