IP Library › Assignment 003974/0813
Patent Assignment
Reel/Frame 003974/0813

Assignment of Assignors Interest.

Recorded: 1980-10-09 Pages: 1
Assignors
NOVOTNY, RUDOLF J.
Executed: 1980-09-29
GANDY, RICHARD G.
Executed: 1980-09-29
Assignee
B-J HUGHES INC., A CORP. OF DE.
777 S. POST OAK RD. #333, HOUSTON, TEXAS
Covered Property (1)
Zero Free Water Cement Composition and Method
Patent: 4,381,034 →
Application: 06/195,460 →
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 →