Patent Assignment
Reel/Frame 004841/0148
Assignment of Assignors Interest.
Recorded: 1988-03-21
Pages: 1
Assignor
RADICE, PETER F.
Executed: 1988-03-15
Assignee
PENNWALT CORPORATION, A CORP. OF PA
THREE PARKWAY, PHILADELPHIA, PENNSYLVANIA
Covered Property
(1)
Air Buoyant Piezoelectric Polymeric Film Microphone
Patent:
4,843,275 →
Application:
07/145,454 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →