Patent Assignment
Reel/Frame 006176/0921
Assignment of Assignors Interest.
Recorded: 1992-08-03
Pages: 4
Assignee
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
32 AVENUE OF THE AMERICAS, A CORP. OF NEW YORK, NEW YORK, NEW YORK, 10013-2412
Covered Property
(1)
Article Comprising an Epitaxial Multilayer Mirror
Patent:
5,244,749 →
Application:
07/924,275 →
Related Assignments
(5)
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 →
Assignment of Assignor's Interest
Nov 16, 2011
From: AGERE SYSTEMS, INC.
To: SEOUL SEMICONDUCTOR CO., LTD.
Reel/Frame 027232/0058 →