IP Library › Assignment 003860/0981
Patent Assignment
Reel/Frame 003860/0981

Assignment of Assignors Interest.

Recorded: 1980-11-13 Pages: 1
Assignors
GANDY RICHARD G.
Executed: 1980-11-03
BRIGGS GARRY L.
Executed: 1980-11-03
Assignee
BJ-HUGHES INC., A CORP. OF DE.
777 SOUTH POST OAK RD., #333, HOUSTON, TEXAS
Covered Property (1)
Expansive Admixture
Patent: 4,332,619 →
Application: 06/206,507 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Feb 22, 1983
From: BJ-HUGHES INC.,
To: HUGHES TOOL COMPANY, A CORP. OF DEL.
Reel/Frame 004098/0273 →
Assignment of Assignors Interest. Aug 8, 1988
From: HUGHES TOOL COMPANY
To: BAKER HUGHES INCORPORATED
Reel/Frame 005050/0861 →
Assignment of Assignors Interest. Sep 25, 1991
From: BAKER HUGHES INCORPORATED
To: BJ SERVICES COMPANY
Reel/Frame 005852/0291 →