Patent Assignment
Reel/Frame 015452/0633
Assignment of Assignor's Interest
Recorded: 2004-06-14
Pages: 2
Assignor
TREE SAVERS INTERNATIONAL INC.
Executed: 2004-06-10
Assignee
STINGER WELLHEAD PROTECTION INC.
P.O. BOX 1639, ALLEN, TEXAS, 75013
Covered Property
(1)
Packoff Nipple
Patent:
5,261,487 →
Application:
07/909,680 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 29, 2002
From: TREE SAVERS INTERNATIONAL LTD.
To: TREE SAVERS INTERNATIONAL INC.
Reel/Frame 012520/0409 →
Assignment of Assignor's Interest
Feb 25, 2005
From: TREE SAVERS INTERNATIONAL INC.
To: STINGER WELLHEAD PROTECTION INC.
Reel/Frame 016309/0502 →
Assignment of Assignor's Interest
Sep 6, 2005
From: STINGER WELLHEAD PROTECTION INC.
To: HWCES INTERNATIONAL, A CAYMAN ISLANDS CORPORATION
Reel/Frame 016958/0913 →
Assignment of Assignor's Interest
Dec 21, 2006
From: OIL STATES ENERGY SERVICES, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 018767/0230 →
Change of Assignee Address
Jul 19, 2007
From: STINGER WELLHEAD PROTECTION, INC.
To: STINGER WELLHEAD PROTECTION, INC.
Reel/Frame 019588/0172 →