Patent Assignment
Reel/Frame 003796/0627
Assignment of Assignors Interest.
Recorded: 1980-08-25
Pages: 1
Assignor
CHEA, RAMON C.W. JR.
Executed: 1980-04-24
Assignee
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION, A CORP. OF DE
320 PARK AVENUE, NEW YORK,, NEW YORK, 10022
Covered Property
(1)
Subscriber Line Interface Circuit with Impedance Synthesizer
Patent:
4,387,273 →
Application:
06/180,751 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 22, 1985
From: INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
To: ITT CORPORATION
Reel/Frame 004389/0606 →
Change of Name
Jan 21, 1988
From: U.S. HOLDING COMPANY, INC.
To: ALCATEL USA, CORP.
Reel/Frame 004827/0276 →
Assignment of Assignors Interest.
May 24, 1991
From: ALCATEL USA CORP.
To: ALCATEL NA NETWORK SYSTEMS CORP.
Reel/Frame 005826/0422 →
Merger Effective on 09/30/1991DE
Apr 6, 1992
From: ALCATEL NA NETWORK SYSTEMS CORP.
To: ALCATEL NETWORK SYSTEMS, INC.
Reel/Frame 006071/0470 →