Patent Assignment
Reel/Frame 014193/0823
Assignment of Assignor's Interest
Recorded: 2003-06-24
Pages: 4
Assignors
WILKINSON, JOHN D.
Executed: 2003-05-28
HUDSON, HANK M.
Executed: 2003-05-28
CUELLAR, KYLE T.
Executed: 2003-05-28
Assignee
ELKCORP INC.
14643 DALLAS PARKWAY, SUITE 1000, DALLAS, TEXAS, 75240
Covered Property
(1)
Lng Production in Cryogenic Natural Gas Processing Plants
Related Assignments
(3)
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 →
Change of Name
Apr 13, 2007
From: TORGO, LTD.
To: ORTLOFF ENGINEERS, LTD.
Reel/Frame 019193/0481 →