IP Library › Assignment 018105/0975
Patent Assignment
Reel/Frame 018105/0975

Assignment of Assignor's Interest

Recorded: 2006-08-15 Pages: 6
Assignors
HUGHES, WILLIAM JAMES
Executed: 2006-08-07
ADAMS, RICHARD W.
Executed: 2006-07-25
Assignee
SUNSTONE CORPORATION
101 N. ROBINSON, SUITE 810, OKLAHOMA CITY, OKLAHOMA, 73102
Covered Property (1)
Flapper Valve and Actuator
Patent: 7,537,062 →
Application: 11/464,389 →
Publication: US 2008/0035353
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →