Patent Assignment
Reel/Frame 004023/0381
Assignment of Assignors Interest.
Recorded: 1982-05-21
Pages: 1
Assignor
CRAIG, GARY J.
Executed: 1982-05-19
Assignee
GEOSOURCE INC .
2700 S POST OAK RD., SUITE 2000, A CORP., HOUSTON, TEXAS, 77056
Covered Property
(1)
Apparatus and Method for Testing a Geophone During Assembly
Patent:
4,448,057 →
Application:
06/380,840 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 16, 1989
From: G & H MANAGEMENT COMPANY
To: HALLIBURTON GEOPHYSICAL SERVICES, INC.
Reel/Frame 005252/0162 →
Change of Name November 13, 1988, Dealware
Oct 16, 1989
From: GEOSOURCE, INC.
To: G & H MANAGEMENT COMPANY
Reel/Frame 005252/0167 →
Merger
Nov 15, 1993
From: HALLIBURTON GEOPHYSICAL SERVICES, INC.
To: HALLIBURTON COMPANY
Reel/Frame 006777/0052 →
Assignment of Assignor's Interest
Mar 28, 1994
From: HALLIBURTON COMPANY
To: WESTERN ATLAS INTERNATIONAL, INC.
Reel/Frame 006970/0236 →