Patent Assignment
Reel/Frame 015131/0369
Assignment of Assignor's Interest
Recorded: 2004-03-24
Pages: 2
Assignor
HUGHES UBHD TOOL COMPANY, LLC
Executed: 2004-03-22
Assignee
SUNSTONE CORPORATION
101 NORTH ROBINSON, SUITE #810, OKLAHOMA CITY, OKLAHOMA, 73102
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, WILLIAM JAMES
To: HUGHES UBHD TOOL COMPANY, LLC
Reel/Frame 015131/0366 →
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 →