IP Library Assignment 022981/0804
Patent Assignment
Reel/Frame 022981/0804

Assignment of Assignor's Interest

Recorded: 2009-07-21 Pages: 4
Assignors
PRIM, ERIC
Executed: 2009-07-20
BAKER, NAOMI
Executed: 2009-07-20
Assignee
YELLOW HILL LLC
333 NORTH SAM HOUSTON PARKWAY EAST, SUITE 600, HOUSTON, TEXAS, 77060
Covered Property (1)
Sulfur Refining Process
Patent: 7,837,971 →
Application: 12/506,368 →
Publication: US 2010/0021371
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Jan 26, 2012
From: PILOT ENERGY SOLUTIONS, LLC, A TEXAS LIMITED LIABILITY COMPANY
To: WEST TEXAS NATIONAL BANK
Reel/Frame 027773/0109 →
Full Release Jun 4, 2014
From: WEST TEXAS NATIONAL BANK
To: PILOT ENERGY SOLUTIONS, LLC
Reel/Frame 033123/0551 →