Patent Assignment
Reel/Frame 022497/0975
Assignment of Assignor's Interest
Recorded: 2009-04-02
Pages: 2
Assignor
GRECHKA, VLADIMIR
Executed: 2009-04-01
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, INTELLECTUAL PROPERTY, HOUSTON, TEXAS, 77252-2463
Covered Property
(1)
Reservoir Characterization from Multicomponent Microseismic Data
Application:
12/407,894 →
Publication:
US 2010/0238765
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 29, 2010
From: KOLINSKY, PETR; EISNER, LEO; THORNTON, MICHAEL P.; DUNCAN, PETER M.
To: MICROSEISMIC, INC.
Reel/Frame 025428/0538 →
Security Agreement
Aug 31, 2012
From: MICROSEISMIC, INC.
To: SQUARE 1 BANK
Reel/Frame 028885/0461 →
Security Agreement
Mar 1, 2013
From: MICROSEISMIC, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 029904/0399 →
Release of Security Interest
Mar 26, 2013
From: SQUARE 1 BANK
To: MICROSEISMIC, INC.
Reel/Frame 030090/0728 →
Security Interest
Mar 31, 2014
From: MICROSEISMIC, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 032566/0396 →
Security Interest
May 20, 2015
From: MICROSEISMIC, INC.
To: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 035682/0891 →