Patent Assignment
Reel/Frame 004928/0712
Assignment of Assignors Interest.
Recorded: 1988-08-18
Pages: 1
Assignor
PARK, KYUNG T.
Executed: 1988-08-11
Assignee
PENNWALT CORPORATION, A CORPORATION OF PENNSYLVANIA.
THREE PARKWAY, PHILADELPHIA, PENNSYLVANIA
Covered Property
(1)
Piezoelectric Trasnducer Array
Patent:
4,975,616 →
Application:
07/233,627 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Effective on 12/29/1989PA
May 15, 1990
From: ATOCHEM INC., M&T CHEMICALS INC., AND PENWALT CORPORATION MERGED AND CHANGES NAME
To: ATOCHEM NORTH AMERICA, INC.
Reel/Frame 005368/0602 →
Merger and Change of Name Effective on December 31, 1989, in Pennsylvania
Sep 17, 1990
From: ATOCHEM INC., A DE CORP. (MERGED INTO); M&T CHEMICALS INC., A DE CORP. (MERGED INTO); PENNWALT CORPORATION, A PA CORP. (CHANGED TO)
To: ATOCHEM NORTH AMERICA, INC., A PA CORP.
Reel/Frame 005496/0003 →
Assignment of Assignors Interest.
Apr 21, 1993
From: ELF ATOCHEM NORTH AMERICA, INC.
To: AMP INCORPORATED
Reel/Frame 006495/0784 →