Patent Assignment
Reel/Frame 006593/0551
Assignment of Assignor's Interest
Recorded: 1993-07-06
Pages: 3
Assignor
VARGO, ROBERT M.
Executed: 1993-06-25
Assignee
HALLIBURTON COMPANY
JAMES R. DUZAN, HALLIBURTON SERVICES P.O. BOX 1431, DUNCAN, OKLAHOMA, 73536
Covered Properties
(2)
Angle Deviation Tool
Patent:
4,655,299 →
Application:
06/784,261 →
Remote Control Selector Valve
Patent:
4,655,289 →
Application:
06/784,262 →
Related Assignments
(2)
Other recorded transfers of the patents 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 →