Patent Assignment
Reel/Frame 015131/0366
Assignment of Assignor's Interest
Recorded: 2004-03-24
Pages: 3
Assignor
HUGHES, WILLIAM JAMES
Executed: 2002-08-26
Assignee
HUGHES UBHD TOOL COMPANY, LLC
6619 E. 114TH STREET, BIXBY, OKLAHOMA, 74008
Covered Property
(1)
Down Hole Drilling Assembly with Independent Jet Pump
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 24, 2004
From: HUGHES UBHD TOOL COMPANY, LLC
To: SUNSTONE CORPORATION
Reel/Frame 015131/0369 →
Assignment of Assignor's Interest
Jan 22, 2009
From: SUNSTONE CORPORATION
To: SUNSTONE TECHNOLOGIES, LLC
Reel/Frame 022137/0199 →
Security Agreement
Feb 19, 2014
From: SUNSTONE TECHNOLOGIES, LLC
To: SUNSTONE ENERGY GROUP, LLC
Reel/Frame 032276/0699 →
Amendment to Security Agreement
Feb 19, 2014
From: SUNSTONE TECHNOLOGIES, LLC
To: SUNSTONE ENERGY GROUP, LLC
Reel/Frame 032276/0771 →
Notice of Lender Name Change
Aug 18, 2017
From: SUNSTONE ENERGY GROUP, LLC
To: BLACK OAK ENERGY HOLDINGS, LLC
Reel/Frame 044102/0017 →