Change of Name

Recorded: 2002-12-05 Pages: 2

Assignor

ELCOR CORPORATION

Executed: 2002-09-01

Assignee

ELKCORP

14643 DALLAS PARKWAY, SUITE 1000, DALLAS, TEXAS, 75240-8871

Covered Property (1)

Hydrocarbon Gas Processing

Patent: 5,983,664 →

Application: 09/054,802 →

Related Assignments (2)

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