Patent Assignment
Reel/Frame 003880/0172
Assignment of Assignors Interest.
Recorded: 1981-04-20
Pages: 1
Assignee
PLESSEY COMPANY LIMITED, VICARAGE LANE, ILFORD, ESSEX, ENGLAND
ENGLAND, UNITED KINGDOM
Covered Property
(1)
Telecommunications Switching Network Using Digital Switching Modules
Patent:
4,425,640 →
Application:
06/255,487 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective Date: 09/23/81
Apr 1, 1982
From: PLESSEY COMPANY (1925) LIMITED THE
To: PLESSEY COMPANY PLC, THE
Reel/Frame 003958/0184 →
Assignment of Assignors Interest.
Nov 20, 1990
From: PLESSEY COMPANY LIMITED, THE
To: GEC PLESSEY TELECOMMUNICATIONS LIMITED, NEW CENTURY PARK, P.O. BOX 53, COVENTRY, CV3 1HJ
Reel/Frame 005511/0015 →