Patent Assignment
Reel/Frame 012205/0940
Assignment of Assignor's Interest
Recorded: 2001-09-27
Pages: 5
Assignors
CAMPBELL, WANDA P., AS EXECUTRIX OF THE ESTATE OF ROY E. CAMPBELL
Executed: 2001-07-30
WILKINSON, JOHN D.
Executed: 2001-07-30
HUDSON, HANK M.
Executed: 2001-07-30
CUELLER, KYLE T.
Executed: 2001-08-20
Assignee
ELCOR CORPORATION
DALLAS PARKWAY, WELLINGTON CENTRE, SUITE 1000, DALLAS, TEXAS, 75240
Covered Property
(1)
Lng Production in Cryogenic Natural Gas Processing Plants
Patent:
6,526,777 →
Application:
09/839,907 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 2, 2002
From: ELCOR CORPORATION
To: ELKCORP
Reel/Frame 013546/0341 →
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 →