Patent Assignment
Reel/Frame 012383/0765
Assignment of Assignor's Interest
Recorded: 2001-12-14
Pages: 3
Assignors
SPRINGTHROPE, ANTHONY J.
Executed: 2001-02-21
PADDON, PAUL J.
Executed: 2001-03-27
PAKULSKI, GRZEGORZ J.
Executed: 2001-02-21
Assignee
NORTEL NETWORKS LIMITED
2351 BOULEVARD ALFRED-NOBEL, ST. LAURENT, QUEBEC, H4S 2, CANADA
Covered Property
(1)
Confinement layer of buried heterostructure semiconductor laser
Application:
10/014,807 →
Publication:
US 2004/0013143
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 1, 2005
From: BOOKHAM, INC.
To: NORTEL NETWORKS UK LIMITED
Reel/Frame 016309/0469 →
Patent Security Agreement Termination Under Reel 013691 Frame 0552
Feb 1, 2006
From: NORTEL NETWORKS CORPORATION
To: BOOKHAM TECHNOLOGY PLC; BOOKHAM TECHNOLOGY, INC.; BOOKHAM ACQUISITION, INC.; BOOKHAM (SWITZERLAND) AG
Reel/Frame 017097/0770 →
Patent Security Agreement Termination Under Reel 016309 Frame 0469
Feb 1, 2006
From: NORTEL NETWORKS UK LIMITED
To: BOOKHAM, INC.; BOOKHAM TECHNOLOGY PLC; BOOKHAM (US), INC.; BOOKHAM (CANADA) INC.
Reel/Frame 017097/0822 →