Patent Assignment
Reel/Frame 005884/0496
Assignment of Assignors Interest.
Recorded: 1991-10-11
Pages: 5
Assignors
SCHUBERT, ERDMANN F.
Executed: 1991-10-08
TU, LI-WEI
Executed: 1991-10-08
ZYDZIK, GEORGE J.
Executed: 1991-10-08
Assignee
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
550 MADISON AVE., A CORP. OF NY, NEW YORK, NEW YORK, 10022-3201
Covered Property
(1)
Elimination of Heterojunction Band Discontinuities
Patent:
5,170,407 →
Application:
07/777,836 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Conditional Assignment of and Security Interest in Patent Rights
Apr 5, 2001
From: AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP. (DE CORPORATION)
To: CHASE MANHATTAN BANK, AS ADMINISTRATIVE AGENT, THE
Reel/Frame 011692/0475 →
Assignment of Assignor's Interest
May 21, 2001
From: LUCENT TECHNOLOGIES INC.
To: AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP.
Reel/Frame 011821/0649 →
Termination and Release of Security Interest in Patent Rights
Oct 22, 2002
From: JPMORGAN CHASE BANK (F/K/A THE CHASE MANHATTAN BANK)
To: AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP.
Reel/Frame 013392/0343 →