IP Library › Assignment 024379/0309
Patent Assignment
Reel/Frame 024379/0309

Assignment of Assignor's Interest

Recorded: 2010-05-13 Pages: 5
Assignors
HUGHES, WILLIAM JAMES
Executed: 2010-05-11
MILLER, JACK EVERETT
Executed: 2010-05-12
Assignee
SUNSTONE TECHNOLOGIES, LLC
101 N. ROBINSON, SUITE 800, OKLAHOMA CITY, OKLAHOMA, 73102
Covered Property (1)
External Jet Pump for Dual Gradient Drilling
Patent: 8,403,059 →
Application: 12/778,342 →
Publication: US 2011/0278014
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →