Patent Assignment
Reel/Frame 004180/0966
Assignment of Assignors Interest.
Recorded: 1983-07-22
Pages: 4
Assignor
HYDROPACE INC
Executed: 1983-06-30
Covered Property
(1)
Delivery and Metering Device Control System
Patent:
4,474,204 →
Application:
06/516,379 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 26, 1983
From: WEST, JOE E.
To: HYDROPACE, INC., A TX CORP
Reel/Frame 004181/0089 →
Assignment of Assignor's Interest
Jun 19, 1995
From: WESTERN COMPANY OF NORTH AMERICA, THE
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 007526/0440 →
Assignment of Assignor's Interest
Oct 31, 2001
From: BJ SERVICES COMPANY, U.S.A.
To: BJ SERVICES COMPANY
Reel/Frame 012333/0812 →