Patent Assignment
Reel/Frame 003958/0184
Change of Name Effective Date: 09/23/81
Recorded: 1982-04-01
Pages: 2
Assignor
PLESSEY COMPANY (1925) LIMITED THE
Executed: 1981-12-10
Assignee
Covered Properties
(7)
Analogue-To-Digital Converter
Patent:
4,203,092 →
Application:
05/944,020 →
Channel Zero Switching Arrangements for Digital Telecommunication Exchanges
Patent:
4,365,330 →
Application:
06/175,718 →
Frame Aligner for Digital Telecommunications Exchange System
Patent:
4,368,531 →
Application:
06/175,780 →
Alarm Monitoring Arrangements for Digital Telecommunications Switching Networks
Patent:
4,387,456 →
Application:
06/176,135 →
Digital Telecommunications Switching Network with in-Built Fault Identification
Patent:
4,393,490 →
Application:
06/176,136 →
Telecommunications Switching Network Using Digital Switching Modules
Patent:
4,425,640 →
Application:
06/255,487 →
Time Division Multiplex Telecommunication Digital Switching Modules
Patent:
4,425,641 →
Application:
06/276,494 →
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 6, 1980
From: CHOPPING GEOFFREY; MOBERLY ROBERT V.; PHILIP ALEXANDRIA S.
To: PLESSEY COMPANY LIMITED, THE,
Reel/Frame 003794/0170 →
Assignment of Assignors Interest.
Aug 6, 1980
From: CHOPPING GEOFFREY
To: PLESSEY COMPANY LIMITED, THE,
Reel/Frame 003793/0438 →
Assignment of Assignors Interest.
Aug 7, 1980
From: CULLEY ERNEST
To: PLESSEY COMPANY LIMITED, THE
Reel/Frame 003811/0431 →
Assignment of Assignors Interest.
Aug 7, 1980
From: CRETEAU PETER V.
To: PLESSEY COMPANY LIMITED, THE
Reel/Frame 003811/0340 →
Assignment of Assignors Interest.
Apr 20, 1981
From: PHILIP ALEXANDER S.; MADDERN THOMAS S.
To: PLESSEY COMPANY LIMITED, VICARAGE LANE, ILFORD, ESSEX, ENGLAND
Reel/Frame 003880/0172 →
Assignment of Assignors Interest.
Jun 23, 1981
From: FRENCH, JOSEPH A.; MADDERN, THOMAS S.; PHILIP, ALEXANDER S.
To: PLESSEY COMPANY LIMITED, THE
Reel/Frame 003897/0130 →
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 →
Assignment of Assignors Interest.
Sep 1, 1992
From: PLESSEY OVERSEAS LIMITED
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006258/0010 →
Assignment of Assignors Interest.
Sep 1, 1992
From: PLESSEY COMPANY LIMITED, THE
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006248/0944 →
Change of Name
Nov 17, 1998
From: PLESSEY SEMICONDUCTOR LIMITED
To: MITEL SEMICONDUCTOR LIMITED
Reel/Frame 009570/0972 →