Patent Assignment
Reel/Frame 004506/0505
Assignment of Assignors Interest.
Recorded: 1986-01-06
Pages: 2
Covered Property
(1)
Two-Step Electrolytic Activation Process for Chromium Electrodeposition
Patent:
4,717,456 →
Application:
06/816,180 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Apr 30, 1990
From: ATOCHEM INC., A CORP. OF DE.; M&T CHEMICALS INC., A CORP. OF DE., (MERGED INTO); PENNWALT CORPORATION, A CORP. OF PA., (CHANGED TO)
To: ATOCHEM NORTH AMERICA, INC.
Reel/Frame 005305/0866 →
Assignment of Assignors Interest.
Apr 24, 1991
From: ATOCHEM NORTH AMERICA, INC., A CORP. OF PENNSYLVANIA
To: M&T HARSHAW
Reel/Frame 005689/0062 →