Patent Assignment
Reel/Frame 031294/0774
Assignment of Assignor's Interest
Recorded: 2013-09-27
Pages: 4
Assignors
DERZHI, NAUM
Executed: 2013-09-24
DVORKIN, JACK
Executed: 2013-09-24
FANG, QIAN
Executed: 2013-09-24
SUHRER, MICHAEL
Executed: 2013-09-24
Assignee
INGRAIN, INC.
3733 WESTHEIMER ROAD, 2ND FLOOR, HOUSTON, TEXAS, 77027
Covered Property
(1)
Method For Improving The Accuracy Of Rock Property Values Derived From Digital Images
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 →