IP Library Assignment 004043/0217
Patent Assignment
Reel/Frame 004043/0217

Assignment of Assignors Interest.

Recorded: 1982-09-09 Pages: 2
Assignors
SAVIT, CARL H.
Executed: 1982-09-08
DOYLE, MARK R.
Executed: 1982-09-08
Assignee
WESTERN GEOPHYSICAL COMPANY OF AMERICA
A CORP. OF DE, HOUSTON, TEXAS, 90042
Covered Property (1)
Method for Seismic Exploration
Patent: 4,675,851 →
Application: 06/416,532 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 21, 2002
From: WESTERN ATLAS INTERNATIONAL, INC.
To: WESTERNGECO, L.L.C.
Reel/Frame 012729/0567 →