Assignment of Assignor's Interest

Recorded: 2003-07-03 Pages: 4

Assignors

AUSTAD, PETER

Executed: 2002-11-12

RUSTAD, ROLF

Executed: 2002-11-14

BORGEN, LARS

Executed: 2002-11-24

Assignee

WESTERNGECO L.L.C.

P.O. BOX 2469, 10001 RICHMOND AVENUE, HOUSTON, TEXAS, 77252-2469

Covered Property (1)

Acoustic Emitters for Use in Marine Seismic Surveying

Patent: 6,839,302 →

Application: 10/275,037 →

Publication: US 2004/0004907

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.