Patent Assignment
Reel/Frame 003940/0273
Assignment of Assignors Interest.
Recorded: 1981-11-02
Pages: 1
Assignor
GANGULI, PARTHA S.
Executed: 1981-10-30
Assignee
Covered Property
(1)
Catalyst Regeneration Process Including Metal Contaminants Removal
Patent:
4,454,240 →
Application:
06/317,216 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 11, 1983
From: HYDROCARBON RESEARCH, INC.
To: HRI, INC.
Reel/Frame 004118/0001 →
Assignment of Assignor's Interest
Feb 2, 1994
From: HRI, INC.
To: HYDROCARBON RESEARCH,INC.
Reel/Frame 006847/0641 →
Assignment of Assignor's Interest
Jun 28, 1995
From: HYDROCARBON RESEARCH, INC.
To: IFP ENTERPRISES
Reel/Frame 007662/0538 →