Patent Assignment
Reel/Frame 005317/0587
Assignment of Assignors Interest.
Recorded: 1990-06-06
Pages: 3
Assignors
EPWORTH, RICHARD E.
Executed: 1990-04-26
BAKER, ROBERT ANTHONY
Executed: 1990-05-15
TAYLOR, NIGEL
Executed: 1990-05-02
BYRON, KEVIN CHRISTOPHER
Executed: 1990-04-27
Assignee
STC PLC
1B PORTLAND PLACE, LONDON, ENGLAND, W1N 3AA, UNITED KINGDOM
Covered Property
(1)
Optical Amplifier Gain Control
Patent:
5,117,196 →
Application:
07/512,960 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 7, 1993
From: STC LIMITED
To: NORTHERN TELECOM LIMITED
Reel/Frame 006796/0981 →
Change of Name
Dec 23, 1999
From: NORTHERN TELECOM LIMITED
To: NORTEL NETWORKS CORPORATION
Reel/Frame 010567/0001 →
Change of Name
Aug 30, 2000
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 011195/0706 →
Change of Name
Mar 10, 2010
From: STC PLC
To: STC LIMITED
Reel/Frame 024055/0577 →