Patent Assignment
Reel/Frame 007323/0995
Assignment of Assignor's Interest
Recorded: 1995-02-06
Pages: 5
Assignors
CAMPBELL, ROY E.
Executed: 1995-01-23
WILKINSON, JOHN D.
Executed: 1995-01-23
HUDSON, HANK M.
Executed: 1995-01-23
Assignee
ELCOR CORPORATIN
WELLINGTON CENTRE, SUITE 1000, 14643 DALLAS PARKWAY, DALLAS, TEXAS, 75240
Covered Property
(1)
Hydrocarbon Gas Processing
Patent:
5,568,737 →
Application:
08/337,172 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 5, 2002
From: ELCOR CORPORATION
To: ELKCORP
Reel/Frame 013542/0768 →
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 3, 2007
From: TORGO, LTD.
To: ORTLOFF ENGINEERS, LTD.
Reel/Frame 019193/0473 →
Assignment of Assignor's Interest
Sep 24, 2020
From: ORTLOFF ENGINEERS, LTD.
To: UOP LLC
Reel/Frame 054188/0807 →