Patent Assignment
Reel/Frame 006766/0621
Assignment of Assignor's Interest
Recorded: 1993-11-15
Pages: 4
Assignee
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013-2412
Covered Property
(1)
Led Pulse Shaping Circuit
Patent:
5,132,553 →
Application:
07/767,350 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 15, 2009
From: AT&T CORP.
To: LUCENT TECHNOLOGIES INC.
Reel/Frame 023649/0645 →
Assignment of Assignor's Interest
Dec 16, 2009
From: LUCENT TECHNOLOGIES
To: AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP.
Reel/Frame 023660/0354 →
Merger
Dec 16, 2009
From: AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP.
To: AGERE SYSTEMS GUARDIAN CORP.
Reel/Frame 023660/0386 →
Merger
Dec 16, 2009
From: AGERE SYSTEMS GUARDIAN CORP.
To: AGERE SYSTEMS INC.
Reel/Frame 023660/0393 →