Patent Assignment
Reel/Frame 003793/0438
Assignment of Assignors Interest.
Recorded: 1980-08-06
Pages: 1
Assignor
CHOPPING GEOFFREY
Executed: 1980-06-27
Assignee
PLESSEY COMPANY LIMITED, THE,
VICARAGE LANE, ILFORD,, ESSEX,, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Frame Aligner for Digital Telecommunications Exchange System
Patent:
4,368,531 →
Application:
06/175,780 →
Related Assignments
(3)
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.
Sep 1, 1992
From: PLESSEY OVERSEAS LIMITED
To: PLESSEY SEMICONDUCTORS LIMITED
Reel/Frame 006258/0010 →
Change of Name
Nov 17, 1998
From: PLESSEY SEMICONDUCTOR LIMITED
To: MITEL SEMICONDUCTOR LIMITED
Reel/Frame 009570/0972 →