Patent Assignment
Reel/Frame 003933/0237
Assignment of Assignors Interest.
Recorded: 1981-12-11
Pages: 1
Assignor
HUIBERS, DERK T. A.
Executed: 1981-08-21
Assignee
Covered Property
(1)
Process for Producing L-Sugars
Patent:
4,371,616 →
Application:
06/296,094 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 17, 1983
From: HYDROCARBON RESEARCH, INC.
To: HRI, INC., A DE CORP.
Reel/Frame 004180/0621 →
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: INSTITUT FRANCAIS DU PETROLE
Reel/Frame 007662/0308 →