IP Library Assignment 004161/0888
Patent Assignment
Reel/Frame 004161/0888

Assignment of Assignors Interest.

Recorded: 1983-07-22 Pages: 3
Assignor
WEST, JOE E.
Executed: 1983-06-30
Assignee
HYDROPACE INC A TX CORP
5050 DUNCANVILLE RD, DALLAS, TEXAS
Covered Property (1)
Delivery and Meteing Device for Granulated and Powdered Materials
Patent: 4,535,915 →
Application: 06/516,378 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jul 22, 1983
From: HYDROPACE INC
To: WESTERN COMPANY OF NORTH AMERICA THE A DE CORP
Reel/Frame 004161/0891 →
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 →