Patent Assignment
Reel/Frame 011473/0818
Assignment of Assignor's Interest
Recorded: 2001-01-24
Pages: 4
Assignors
WILKINSON, JOHN D.
Executed: 2001-01-16
HUDSON, HANK M.
Executed: 2001-01-16
PIERCE, MICHAEL C.
Executed: 2001-01-16
Assignee
ELCOR CORPORATION
DALLAS PARKWAY, WELLINGTON CENTRE, SUITE 1000, DALLAS, TEXAS, 75240
Covered Property
(1)
Hydrocarbon gas processing
Application:
09/677,220 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 1, 2005
From: ELKCORP
To: ORTLOFF ENGINEERS, LTD.
Reel/Frame 016712/0220 →
Corrective Assignment to Correct the Assignee Name and Address Previously Recorded on Reel 016712 Frame 0220. Assignor(S) Hereby Confirms the Assignment.
Feb 24, 2006
From: ELKCORP
To: TORGO LTD.
Reel/Frame 017215/0131 →