Patent Assignment
Reel/Frame 005162/0057
Assignment of Assignors Interest.
Recorded: 1989-07-24
Pages: 2
Assignor
MONK, DAVID
Executed: 1989-07-13
Assignee
HALLIBURTON GEOPHYSICAL SERVICES, INC., A CORP OF DE
HOUSTON, TEXAS
Covered Property
(1)
Processing Method for Marine Seismic Surveying Utilizing Dual Streamers
Patent:
4,937,793 →
Application:
07/358,887 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 24, 1989
From: SHUCK, EDWARD L.; SANDERS, JOE I.
To: HALLIBURTON GEOPHYSICAL SERVICES, INC., A CORP OF DE
Reel/Frame 005162/0055 →
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 →
Assignment of Assignor's Interest
Mar 21, 2002
From: WESTERN ATLAS INTERNATIONAL, INC.
To: WESTERNGECO, L.L.C.
Reel/Frame 012729/0567 →