Patent Assignment
Reel/Frame 023620/0125
Assignment of Assignor's Interest
Recorded: 2009-12-08
Pages: 2
Assignor
BUTTS, RAYBURN C.
Executed: 2001-07-27
Assignee
BUTTS PROPERTIES, LTD.
2500 N. BIG SPRING, SUITE 230, MIDLAND, TEXAS, 79705
Covered Property
(1)
High Efficiency Nitrogen Rejection Unit
Patent:
5,375,422 →
Application:
08/126,412 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.