IP Library › Assignment 003992/0020
Patent Assignment
Reel/Frame 003992/0020

Assignment of Assignors Interest.

Recorded: 1982-03-11 Pages: 3
Assignors
HUIBERS, DERK T. A.
Executed: 1982-03-09
JOHANSON, EDWIN S.
Executed: 1982-03-09
Assignee
HYDROCARBON RESEARC, INC.
134 FRAKLIN CORNER ROAD, A CORP. OF DE, LAWRENCEVILLE, NEW JERSEY, 08648
Covered Property (1)
Coal Hydrogenation and Deashing in Ebullated Bed Catalytic Reactor
Patent: 4,404,084 →
Application: 06/357,230 →
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 →