IP Library Assignment 021156/0907
Patent Assignment
Reel/Frame 021156/0907

Assignment of Assignor's Interest

Recorded: 2008-06-26 Pages: 3
Assignor
JOHNSON, RICK D.
Executed: 2008-06-25
Assignee
CDX GAS, LLC
1001 MCKINNEY STREET, SUITE 1600, HOUSTON, TEXAS, 77002
Covered Property (1)
Plugging a Mined-Through Well
Patent: 8,033,337 →
Application: 12/109,277 →
Publication: US 2009/0020286
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 13, 2011
From: CDX GAS, LLC
To: VITRUVIAN EXPLORATION, LLC
Reel/Frame 026891/0815 →
Assignment of Assignor's Interest Feb 12, 2014
From: VITRUVIAN EXPLORATION, LLC
To: EFFECTIVE EXPLORATION LLC
Reel/Frame 032263/0664 →