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Patent Assignment Abstract of Title
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Total Assignments: 11
Patent #:
Issue Dt:
03/29/1994
Application #:
08044187
Filing Dt:
04/07/1993
Inventor:
THOMAS C. GIPSON
Title:
METHOD AND APPARATUS FOR DOWNHOLE OIL WELL PRODUCTION STIMULATION
Assignment: 1
Reel/Frame:
006532/0859Recorded: 04/07/1993Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/15/1993
Assignee:
P.O. BOX 231 I-20 EAST
CISCO, TEXAS 76437
Correspondent:
GUNN, LEE & MILLER, P.C.
THOMAS E. SISSON
300 CONVENT, SUITE 1650
SAN ANTONIO, TEXAS 78205
Assignment: 2
Reel/Frame:
008194/0766Recorded: 10/30/1996Pages: 11
Conveyance:
COLLATERAL ASSIGNMENT AND SECURITY AGMT
Assignor:
Exec Dt:
08/09/1996
Assignee:
2011 TEXOMA PARKWAY
SHERMAN, TEXAS 75090
Correspondent:
SAMRA & ASSOCIATES
ROBERT A. SAMRA
900 JACKSON STREET
SUITE 600
DALLAS, TX 75202
Assignment: 3
Reel/Frame:
010061/0106Recorded: 07/02/1999Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/25/1999
Assignee:
500, 555 FOURTH AVENUE SW
CALGARY, ALBERTA T2P 3E7, CANADA
Correspondent:
MILLER, SISSON, CHAPMAN & NASH, P.C.
THOMAS E. SISSON
300 CONVENT, SUITE 1650
SAN ANTONIO, TX 78205
Assignment: 4
Reel/Frame:
012075/0872Recorded: 08/14/2001Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/29/2001
Assignee:
#4200, 150-6TH AVENUE S.W.
CALGARY AB, CANADA T2P 3
Correspondent:
PATRICK H. MCCOLLUM
363 N. SAM HOUSTON PARKWAY EAST
SUITE 1700
HOUSTON, TX 77060
Assignment: 5
Reel/Frame:
014357/0250Recorded: 02/19/2004Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/12/2004
Assignee:
400 SOUTH RIVER ROAD
NEW HOPE, PENNSYLVANIA 18938
Correspondent:
HOWREY SIMON ARNOLD & WHITE, LLP
JILL A. MCWHIRTER
750 BERING DRIVE
HOUSTON, TX 77057-2198
Assignment: 6
Reel/Frame:
016427/0646Recorded: 08/22/2005Pages: 27
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
07/29/2005
Assignee:
745 SEVENTH AVENUE
NEW YORK, NEW YORK 10019
Correspondent:
LATHAM & WATKINS LLP
650 TOWN CENTER DRIVE
SUITE 2000
COSTA MESA, CA 92626
Assignment: 7
Reel/Frame:
020325/0209Recorded: 01/07/2008Pages: 10
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/28/2007
Assignee:
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Correspondent:
BRACEWELL AND GIULIANI, LLP
711 LOUISIANA STREET, SUITE 2300
INTELLECTUAL PROPERTY GROUP
HOUSTON, TX 77002
Assignment: 8
Reel/Frame:
020317/0903Recorded: 01/07/2008Pages: 9
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
11/29/2007
Assignee:
231 SOUTH LASALLE STREET
CHICAGO, ILLINOIS 60697
Correspondent:
BRACEWELL AND GIULIANI LLP
711 LOUISIANA STREET, SUITE 2300
INTELLECTUAL PROPERTY GROUP
HOUSTON, TX 77002
Assignment: 9
Reel/Frame:
024505/0957Recorded: 06/10/2010Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/01/2010
Assignee:
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Correspondent:
KING & SPALDING LLP
1100 LOUISIANA ST.
SUITE 400 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 10
Reel/Frame:
024906/0588Recorded: 08/30/2010Pages: 7
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
08/26/2010
Assignee:
901 MAIN STREET, TX-492-14-11
DALLAS, TEXAS 75202
Correspondent:
CONSTANCE G. RHEBERGEN
711 LOUISIANA ST., SUITE 2300
HOUSTON, TX 77002-2770
Assignment: 11
Reel/Frame:
026064/0706Recorded: 04/01/2011Pages: 14
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/31/2011
Assignee:
1301 MCKINNEY, SUITE 1800
HOUSTON, TEXAS 77010
Correspondent:
JEFF BUTLER/ ANDREWS KURTH LLP
600 TRAVIS, SUITE 4200
HOUSTON, TX 77002

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