Patent Assignment
Reel/Frame 003849/0835
Assignment of Assignors Interest.
Recorded: 1980-12-29
Pages: 3
Assignee
Covered Property
(1)
Method of Producing Pseudoboehmites
Patent:
4,313,923 →
Application:
06/220,904 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 21, 1983
From: FILTROL CORPORATION, LOS ANGELES, CA A CORP. OF DE
To: HARSHAW/FILTROL PARTNERSHIP THE, A PARTNERSHIP OF DE
Reel/Frame 004186/0028 →
Assignment of Assignors Interest.
Aug 26, 1988
From: HARSHAW/FILTROL PARTNERSHIP, A GENERAL PARTNERSHIP OF DE AND/OR FITROL CORPORATION, A CORP. OF DE
To: HARSHAW CHEMICAL COMPANY, A CORP. OF NJ
Reel/Frame 004944/0961 →