Patent Assignment
Reel/Frame 009648/0593
Assignment of Assignor's Interest
Recorded: 1998-12-23
Pages: 5
Assignor
TYCO SUBMARINE SYSTEMS LTD.
Executed: 1998-03-20
Assignee
CIENA CORPORATION
920 ELKRIDGE LANDING ROAD, LINTHICUM, MARYLAND, 21090
Covered Property
(1)
Pump Redundancy for Optical Amplifiers
Patent:
5,173,957 →
Application:
07/758,665 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 12, 1991
From: BERGANO, NEAL S.; DRUCKENMILLER, RICHARD F.; KERFOOT, FRANKLIN W., III; TRISCHITTA, PATRICK R.
To: AMERICAN TELEPHONE AND TELEGRAPH COMPANY
Reel/Frame 005846/0868 →
Assignment of Assignor's Interest
Dec 13, 2002
From: CIENA CORPORATION
To: CIENA PROPERTIES, INC.
Reel/Frame 013578/0868 →
Merger
Dec 17, 2004
From: CIENA PROPERTIES
To: CIENA CORPORATION
Reel/Frame 016069/0435 →