Patent Assignment
Reel/Frame 003957/0895
Assignment of Assignors Interest.
Recorded: 1982-03-29
Pages: 1
Assignors
KYDD, PAUL H.
Executed: 1980-12-17
CHERVENAK, MICHAEL C.
Executed: 1980-12-17
DE VAUX, GEORGE R.
Executed: 1980-12-17
Assignee
Covered Property
(1)
H-Coal Process and Plant Design
Patent:
4,400,263 →
Application:
06/232,789 →
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 →