Patent Assignment
Reel/Frame 030345/0655
Assignment of Assignor's Interest
Recorded: 2013-05-03
Pages: 4
Assignors
DVORKIN, JACK
Executed: 2013-02-04
DERZHI, NAUM
Executed: 2013-02-04
DIAZ, ELIZABETH
Executed: 2013-02-04
WALLS, JOEL
Executed: 2013-02-04
Assignee
INGRAIN, INC.
3733 WESTHEIMER ROAD, 2ND FLOOR, HOUSTON, TEXAS, 77027
Covered Property
(1)
Method Of Determining Reservoir Properties And Quality With Multiple Energy X-Ray Imaging
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jan 23, 2015
From: INGRAIN, INC.
To: COMERICA BANK
Reel/Frame 034797/0255 →
Security Interest
Sep 1, 2016
From: INGRAIN, INC.
To: GEMCAP LENDING I, LLC
Reel/Frame 039973/0886 →
Release of Security Interest
Jul 5, 2017
From: COMERICA BANK
To: INGRAIN, INC.
Reel/Frame 042900/0176 →
Release of Security Interest
Jul 5, 2017
From: GEMCAP LENDING I, LLC
To: INGRAIN, INC.
Reel/Frame 043090/0263 →
Assignment of Assignor's Interest
Sep 6, 2018
From: INGRAIN, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 047024/0084 →