IP Library Assignment 003997/0136
Patent Assignment
Reel/Frame 003997/0136

Assignment of Assignors Interest.

Recorded: 1982-04-20 Pages: 1
Assignor
BARBEE, JOHN P. JR.
Executed: 1982-04-14
Assignee
WESTERN COMPANY OF NORTH AMERICA THE; A CORP. OF DE.
P.O. BOX 186, FORT WORTH, TEXAS, 76101
Covered Property (1)
Well Casing Perforated Zone Washing Apparatus
Patent: 4,484,625 →
Application: 06/370,056 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →