Patent Assignment
Reel/Frame 022360/0451
Assignment of Assignor's Interest
Recorded: 2009-03-06
Pages: 4
Assignor
DOURFAYE, ALFAZAZI
Executed: 2008-03-31
Assignee
VAREL INTERNATIONAL IND., L.P.
1434 PATTON PLACE, SUITE 106, CARROLLTON, TEXAS, 75007
Covered Property
(1)
Sectorial Force Balancing of Drill Bits
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Jun 17, 2010
From: VAREL INTERNATIONAL IND., L.P.
To: LEHMAN COMMERCIAL PAPER INC.
Reel/Frame 024547/0944 →
Security Agreement
Mar 1, 2011
From: VAREL INTERNATIONAL IND., L.P.
To: DRILLBIT WCF LIMITED
Reel/Frame 025877/0447 →
Notice of Substitution of Agent in Intellectual Property
Sep 16, 2011
From: LEHMAN COMMERCIAL PAPER INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 027127/0635 →
Security Agreement
Sep 26, 2011
From: VAREL INTERNATIONAL IND., L.P.
To: DRILLBIT WCF II LIMITED
Reel/Frame 026970/0678 →
Release of Security Interest
Sep 27, 2011
From: DRILLBIT WCF LIMITED
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 026972/0575 →
Release of Security Interest
Feb 8, 2012
From: DRILLBIT WCF II LIMITED
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 027787/0370 →
Release of Security Interest
Jan 16, 2013
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 029644/0462 →
Patent Security Agreement
Jan 23, 2013
From: VAREL INTERNATIONAL IND., L.P.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 029682/0024 →
Security Agreement
Jan 31, 2013
From: VAREL INTERNATIONAL ENERGY FUNDING CORP.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 029731/0721 →
Release of Security Interest
Jun 4, 2014
From: CREDIT SUISSE AG, CAYMAN ISLAND BRANCH
To: VAREL INTERNATIONAL IND., L.P
Reel/Frame 033083/0969 →