Patent Assignment
Reel/Frame 013920/0219
Assignment of Assignor's Interest
Recorded: 2003-04-04
Pages: 3
Assignor
HUGHES, W. JAMES
Executed: 2002-10-09
Assignee
HUGHES UBHD TOOL COMPANY, LLC
6310 EAST 98 PLACE, TULSA, OKLAHOMA, 74137
Covered Property
(1)
Concentric Casing Jack
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 13, 2001
From: RENFRO, JIMMIE JOSH
To: HUGHES, W. JAMES
Reel/Frame 012518/0141 →
Assignment of Assignor's Interest
Nov 13, 2001
From: DUNBAR, MARK
To: HUGHES, W. JAMES
Reel/Frame 012518/0128 →
Assignment of Assignor's Interest
Jun 16, 2003
From: HUGHES UBHD TOOL COMPANY, LLC
To: SUNSTONE CORPORATION
Reel/Frame 014209/0805 →
Assignment of Assignor's Interest
Jan 22, 2009
From: SUNSTONE CORPORATION
To: SUNSTONE TECHNOLOGIES, LLC
Reel/Frame 022137/0199 →
Amendment to Security Agreement
Feb 19, 2014
From: SUNSTONE TECHNOLOGIES, LLC
To: SUNSTONE ENERGY GROUP, LLC
Reel/Frame 032276/0771 →
Security Agreement
Feb 19, 2014
From: SUNSTONE TECHNOLOGIES, LLC
To: SUNSTONE ENERGY GROUP, LLC
Reel/Frame 032276/0699 →
Notice of Lender Name Change
Aug 18, 2017
From: SUNSTONE ENERGY GROUP, LLC
To: BLACK OAK ENERGY HOLDINGS, LLC
Reel/Frame 044102/0017 →