Patent Assignment
Reel/Frame 006841/0964
Assignment of Assignor's Interest
Recorded: 1994-01-03
Pages: 3
Assignor
SCHULTZ, WARD E.
Executed: 1993-12-30
Assignee
HALLIBURTON COMPANY
PATENT DEPARTMENT 2100 HALLIBURTON CENTER, 5151 SAN FELIPE, HOUSTON, TEXAS, 77056
Covered Property
(1)
Method and Apparatus for the Verification of Helium-3 Proportional Counters
Patent:
5,422,480 →
Application:
08/176,736 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Dec 22, 2000
From: PATHFINDER ENERGY SERVICES, INC.
To: WELLS FARGO BANK TEXAS, AS ADMINISTRATIVE AGENT
Reel/Frame 011461/0670 →
Release of Security Interest
Apr 8, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR BY MERGER TO WELLS FARGO BANK TEXAS, N.A. (AS ADMINISTRATIVE AGENT)
To: PATHFINDER ENERGY SERVICES, INC.
Reel/Frame 022520/0291 →