Patent Assignment
Reel/Frame 015073/0536
Assignment of Assignor's Interest
Recorded: 2004-08-19
Pages: 5
Assignors
SIMS, DONALD GLYNN
Executed: 2004-08-11
TAYLOR, MICHAEL JAMES
Executed: 2004-08-11
SCHMIDT, ROBERT FRANK
Executed: 2004-08-11
SCHMIDT, DAVID ANTHONY
Executed: 2004-08-11
MCCASKILL, JOHN WALTON
Executed: 2004-08-11
Assignee
POWER CHOKES, L.P.
P.O. BOX 164, CYPRESS, TEXAS, 77410
Covered Property
(1)
Solids strainer system for a hydraulic choke
Application:
10/880,640 →
Publication:
US 2005/0006150
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Supplement
Nov 16, 2004
From: POWER CHOKES, L.P.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 015361/0234 →
Change of Name
Aug 17, 2005
From: POWER CHOKES, L.P.
To: POWER WELL SERVICES, L.P.
Reel/Frame 016408/0583 →
Release of Patent Security Agreement Supplement
Sep 1, 2005
From: BANK OF AMERICA, N.A.
To: POWER WELL SERVICES, L.P.
Reel/Frame 016480/0377 →
Amendment to Patent Security Agreement Supplement
Sep 1, 2005
From: POWER WELL SERVICES, L.P.
To: BANK OF AMERICA, N.A.
Reel/Frame 016480/0398 →
Release of Patent Security Agreement Supplement
Aug 8, 2006
From: BANK OF AMERICA, N.A.
To: POWER WELL SERVICES, L.P.
Reel/Frame 018061/0840 →
Articles and Certificate of Conversion
Apr 23, 2007
From: POWER WELL SERVICES, L.P.
To: EXPRO AMERICAS, L.P.
Reel/Frame 019215/0181 →