Patent Assignment
Reel/Frame 016862/0469
Assignment of Assignor's Interest
Recorded: 2005-12-08
Pages: 8
Assignor
PRIME COMPUTER, INC.
Executed: 1992-08-13
Assignee
COMPUTERVISION CORPORATION
140 KENDRICK STREET, NEEDHAM, MASSACHUSETTS, 02494
Covered Properties
(4)
Method and Apparatus for Performing Polygon Fills in Graphical Applications
Patent:
4,897,805 →
Application:
07/194,832 →
Method for Inter-Processor Data Transfer
Patent:
4,956,771 →
Application:
07/198,161 →
System for Accessing Remote Heterogeneous Databases Including Formatting Retrieved Data into Application Program Format
Patent:
5,058,000 →
Application:
07/368,159 →
Data Compression/Decompression Method and Apparatus
Patent:
5,140,321 →
Application:
07/755,027 →
Related Assignments
(13)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
May 24, 1988
From: NEUSTAEDTER, TARL
To: PRIME COMPUTER, INC., A DE CORP.
Reel/Frame 004900/0033 →
Assignment of Assignors Interest.
Sep 13, 1988
From: WANG, JANE
To: PRIME COMPUTER, INC., PRIME PARK, NATICK, MASSACHUSETTS 01760, A MASSACHUSETTS CORP.
Reel/Frame 004937/0878 →
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 →
Assignment of Assignors Interest.
Sep 4, 1991
From: JUNG, ROBERT K.
To: PRIME COMPUTER, INC.
Reel/Frame 005837/0462 →
Security Interest
Jan 8, 1992
From: PRIME COMPUTER, INC.
To: CHEMICAL BANK
Reel/Frame 005967/0683 →
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 →
Assignment of Security Interest
Feb 20, 1996
From: COMPUTERVISION CORPORATION
To: BANKERS TRUST COMPANY
Reel/Frame 007815/0912 →
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 →
Termination and Release of Assignment of Security
Jul 28, 1998
From: COMPUTERVISION CORPORATION, A DELAWARE CORP.
To: BANKERS TRUST COMPANY, AS COLLATERAL AGENT
Reel/Frame 009342/0885 →
Assignment of Assignor's Interest
Nov 11, 2002
From: CVSI, INC.
To: NCR CORPORATION
Reel/Frame 013231/0526 →
Assignment of Assignor's Interest
Jan 30, 2008
From: NCR CORPORATION
To: TELEDATA SOUND LLC
Reel/Frame 020431/0302 →
Change of Name
Apr 10, 2013
From: PARAMETRIC TECHNOLOGY CORPORATION
To: PTC INC.
Reel/Frame 030185/0128 →