Patent Assignment
Reel/Frame 013916/0700
Assignment of Assignor's Interest
Recorded: 2003-03-26
Pages: 4
Assignor
RENFRO, JIMMIE JOSH
Executed: 2003-03-11
Assignee
HUGHES, WILLIAM JAMES
6619 EAST 114TH STREET, BIXBY, OKLAHOMA, 74008
Covered Property
(1)
Down Hole Drilling Assembly with Concentric Casing Actuated Jet Pump
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 26, 2003
From: HUGHES, WILLIAM JAMES
To: SUN STONE ENERGY
Reel/Frame 013917/0327 →
Assignment of Assignor's Interest
Jan 22, 2009
From: SUNSTONE CORPORATION
To: SUNSTONE TECHNOLOGIES, LLC
Reel/Frame 022137/0199 →
Assignment of Assignor's Interest
Jan 26, 2009
From: HUGHES, WILLIAM JAMES
To: SUNSTONE CORPORATION
Reel/Frame 022162/0764 →