Patent Assignment
Reel/Frame 007691/0293
Assignment of Assignor's Interest
Recorded: 1995-11-02
Pages: 2
Assignee
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511, STATION C, OTTAWA, ONTARIO, K1Y 4, CANADA
Covered Property
(1)
Digital Control of Laser Diode Power Levels
Patent:
5,579,328 →
Application:
08/513,280 →
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 1, 1995
From: BELL-NORTHERN RESEARCH LTD.
To: NORTHERN TELECOM LIMITED
Reel/Frame 007691/0138 →
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 →
Assignment of Assignor's Interest
Apr 24, 2006
From: RICHWINE, JAMES D.
To: INTERVISUAL COMMUNICATIONS, LLC
Reel/Frame 017804/0579 →
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 →
Security Interest
Jul 15, 2014
From: CIENA CORPORATION
To: DEUTSCHE BANK AG NEW YORK BRANCH
Reel/Frame 033329/0417 →
Patent Security Agreement
Jul 16, 2014
From: CIENA CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 033347/0260 →
Release of Security Interest
Oct 30, 2019
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: CIENA CORPORATION
Reel/Frame 050938/0389 →
Patent Security Agreement
Nov 8, 2019
From: CIENA CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 050969/0001 →
Release of Security Interest
Nov 20, 2023
From: BANK OF AMERICA, N.A.
To: CIENA CORPORATION
Reel/Frame 065630/0232 →