Patent Assignment
Reel/Frame 004142/0581
Assignment of Assignors Interest.
Recorded: 1983-06-20
Pages: 2
Assignee
SPEERY CORPORATION
A CORP. OF DEL., GREAT NECK, NEW YORK, 11020
Covered Property
(1)
Input/Output System and Method for Digital Computers
Patent:
4,591,973 →
Application:
06/501,232 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 26, 1987
From: SPERRY CORPORATION; SPERRY RAND CORPORATION; SPERRY HOLDING COMPANY, INC.
To: SP-COMMERCIAL FLIGHT, INC., A DE CORP.
Reel/Frame 004838/0329 →
Assignment of Assignors Interest.
May 13, 1988
From: UNISYS CORPORATION
To: HONEYWELL INC.
Reel/Frame 004869/0796 →
Assignment of Assignors Interest.
Mar 31, 1989
From: HONEYWELL, INC., A CORP. OF DE.
To: REDIFFUSION SIMULATION INCORPORATED
Reel/Frame 005240/0340 →
Change of Name Effective on 03/03/1991
Dec 30, 1991
From: HUGHES SIMULATION SYSTEMS, INC.
To: HUGHES TRAINING INC.
Reel/Frame 005953/0228 →
Assignment of Assignor's Interest
Aug 28, 2000
From: RAYTHEON CORPORATION
To: L-3 COMMUNICATIONS CORPORATION
Reel/Frame 011035/0782 →