Patent Assignment
Reel/Frame 003953/0763
Assignment of Assignors Interest.
Recorded: 1982-02-26
Pages: 1
Assignee
SYSTEM DEVELOPMENT CORPORATION, A CORP. OF DE.
2500 COLORADO AVE., SANTA MONICA, CALIFORNIA, 90406
Covered Property
(1)
Method and Means Using Digital Data Processing Means for Locating Representations in a Stored Textual Data Base
Patent:
4,495,566 →
Application:
06/307,093 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Delaware Effective May 30, 1982.
Jul 13, 1984
From: BURROUGHS CORPORATION A CORP OF MI (MERGED INTO); BURROUGHS DELAWARE INCORPORATED A DE CORP. (CHANGED TO)
To: BURROUGHS CORPORATION
Reel/Frame 004312/0324 →
Merger
Oct 28, 1985
From: SYSTEM DEVELOPMENT CORPORATION
To: BURROUGHS SYSTEM DEVELOPMENT CORPORATION, A CORP. OF DE.
Reel/Frame 004472/0777 →
Assignment of Assignors Interest.
Jan 6, 1986
From: SYSTEM DEVELOPMENT CORPORATION, A CORP. OF DE.
To: BURROUGHS CORPORATION, A CORP. OF MI.
Reel/Frame 004493/0838 →
Assignment of Assignors Interest.
Oct 8, 1987
From: SYSTEM DEVELOPMENT CORPORATION, A DE. CORP.
To: UNISYS CORPORATION, BURROUGHS PLACE, DETROIT, MICHIGAN A CORP. OF DE.
Reel/Frame 004810/0630 →
Assignment of Assignors Interest.
May 12, 1988
From: SYSTEM DEVELOPMENT CORPORATION, A CORP. OF DE
To: UNISYS CORPORATION, A CORP. OF DE
Reel/Frame 004873/0468 →