Patent Assignment
Reel/Frame 003957/0823
Assignment of Assignors Interest.
Recorded: 1982-03-18
Pages: 1
Assignor
WATSON, ANGUS
Executed: 1982-03-16
Assignee
M& T CHEMICALS INC, A CORP OF DE
ONE WOODBRIDGE CENTER, WOODBRIDGE, NEW JERSEY, 07095
Covered Property
(1)
Acid Copper Electroplating Baths Containing Brightening and Leveling Additives
Patent:
4,376,685 →
Application:
06/277,057 →
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 →