Patent Assignment
Reel/Frame 024055/0577
Change of Name
Recorded: 2010-03-10
Pages: 4
Assignor
STC PLC
Executed: 1991-03-06
Assignee
STC LIMITED
1B, PORTLAND PLACE, LONDON, WIN 3AA, UNITED KINGDOM
Covered Properties
(4)
Fibre Optic Transmission System
Patent:
5,046,807 →
Application:
07/484,188 →
Optical Amplifier Gain Control
Patent:
5,117,196 →
Application:
07/512,960 →
Sequence Synchronisation
Patent:
5,237,593 →
Application:
07/517,255 →
Optical Receivers
Patent:
5,111,324 →
Application:
07/535,744 →
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 19, 1990
From: UNITT, BRIAN M.
To: STC PLC, A BRITISH COMPANY
Reel/Frame 005263/0173 →
Assignment of Assignors Interest.
Jun 6, 1990
From: EPWORTH, RICHARD E.; BAKER, ROBERT ANTHONY; TAYLOR, NIGEL; BYRON, KEVIN CHRISTOPHER
To: STC PLC
Reel/Frame 005317/0587 →
Assignment of Assignors Interest.
Jun 25, 1990
From: FISHER, DAVID A.; BRUECKHEIMER, SIMON D.
To: STC PLC, A BRITISH COMPANY
Reel/Frame 005362/0832 →
Assignment of Assignors Interest.
Jul 9, 1990
From: JAHROMI, FAZLOLLAH R.
To: STC PLC, A BRITISH CO.
Reel/Frame 005372/0614 →
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 →
Security Agreement
Apr 5, 2002
From: NORTEL NETWORKS LIMITED
To: JPMORGAN CHASE BANK
Reel/Frame 012745/0929 →
Change of Name
Apr 16, 2002
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 012762/0799 →
Release of Security Interests
Mar 9, 2010
From: JPMORGAN CHASE BANK, N.A.
To: NORTEL NETWORKS LIMITED
Reel/Frame 024045/0401 →
Assignment of Assignor's Interest
Apr 9, 2010
From: NORTEL NETWORKS LIMITED
To: CIENA LUXEMBOURG S.A.R.L.
Reel/Frame 024213/0653 →
Assignment of Assignor's Interest
Apr 19, 2010
From: CIENA LUXEMBOURG S.A.R.L.
To: CIENA CORPORATION
Reel/Frame 024252/0060 →