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: 5,257,505 →

Application: 07/932,867 →

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.