Patent Assignment
Reel/Frame 005644/0144
Assignment of Assignors Interest.
Recorded: 1991-03-11
Pages: 2
Assignee
GENERAL INSTRUMENT CORPORATION
767 FIFTH AVENUE, A CORP OF DE, NEW YORK, NEW YORK, 10153
Covered Property
(1)
Method and Apparatus for Communicating Amplitude Modulated Signals Over an Optical Communication Path
Patent:
5,212,579 →
Application:
07/667,443 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 21, 1998
From: GENERAL INSTRUMENT CORPORATION (GIC-2)
To: GENERAL INSTRUMENT CORPORATION (GIC-4)
Reel/Frame 009187/0956 →
Confirmation of Prior Assignment of Assignor's One-Half Interest in the Patents Listed on Schedule B to Ciena Corporation and Assignment of Assignor's Remaining One-Half Interest in the Patents Listed on the Attached Schedule B to General Instrument Equity Corporation.
Feb 1, 1999
From: GENERAL INSTRUMENT CORPORATION
To: GENERAL INSTRUMENT EQUITY CORPORATION; CIENA CORPORATION
Reel/Frame 009731/0359 →
Assignment of Assignor's Interest
Dec 13, 2002
From: CIENA CORPORATION
To: CIENA PROPERTIES, INC.
Reel/Frame 013578/0868 →
Assignment of Assignor's Interest
Dec 13, 2002
From: CIENA CORPORATION
To: CIENA PROPERTIES, INC.
Reel/Frame 013578/0374 →
Co-Ownership Agreement
Jan 6, 2003
From: GENERAL INSTRUMENTS CORPORATION
To: GENERAL INSTRUMENTS CORPORATION; CIENA CORPORATION
Reel/Frame 013634/0069 →
Merger
Dec 17, 2004
From: CIENA PROPERTIES
To: CIENA CORPORATION
Reel/Frame 016069/0435 →
Assignment of Assignor's Interest
Jun 30, 2011
From: BROADWING, LLC
To: LEVEL 3 COMMUNICATIONS, LLC
Reel/Frame 026533/0440 →