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Patent Assignment Abstract of Title
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Total Assignments: 9
Patent #:
Issue Dt:
03/14/1995
Application #:
08165495
Filing Dt:
12/13/1993
Inventors:
BRUCE CHEREWYK, RODERICK D. MCLEOD, ALBERT ROESCH
Title:
WELL HEAD ISOLATION TOOL SEALING NIPPLE TESTING APPARATUS AND METHOD OF PRESSURE TESTING ISOLATION TOOL SEALING NIPPLE SEALS WHEN IN POSITION ON A WELL
Assignment: 1
Reel/Frame:
008579/0821Recorded: 06/25/1997Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/09/1997
Assignee:
P.O. BOX 1454
GRANDE PRAIRIE, ALBERTA, CANADA T8V 4
Correspondent:
ANTHONY R. LAMBERT
10328 - 81 AVENUE, #103
EDMONTON, ALBERTA, CANADA T6E 1X2
Assignment: 2
Reel/Frame:
008579/0827Recorded: 06/25/1997Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/09/1997
Assignee:
BOX 1454
GRANDE PRAIRIE, CANADA T8V 4
Correspondent:
ANTHONY R. LAMBERT
10328-81 AVENUE
SUITE 103
EDMONTON, ALBERTA, CANDA 76E 1X2
Assignment: 3
Reel/Frame:
008579/0831Recorded: 06/25/1997Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/09/1997
Assignee:
BOX 1454
GRANDE PRAIRIE, CANADA T8V 4
Correspondent:
ANTHONY R. LAMBERT
10328-81 AVENUE
SUITE 103
EDMONTON, ALBERTA, CANADA T6E 1X2
Assignment: 4
Reel/Frame:
012520/0409Recorded: 01/29/2002Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/10/2002
Assignee:
#805, 500-4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2
Correspondent:
ANTHONY R. LAMBERT
#200 10328-81 AVENUE
EDMONTON, ALBERTA, CANADA T6E 1Z2
Assignment: 5
Reel/Frame:
016309/0502Recorded: 02/25/2005Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/04/2005
Assignee:
P.O. BOX 1639
ALLEN, TEXAS 75013
Correspondent:
OGILVY REANULT
SUITE 1600
1981 MCGILL COLLEGE AVENUE
MONTREAL, QUEBEC H3A 2Y3
Assignment: 6
Reel/Frame:
016958/0913Recorded: 09/06/2005Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/18/2005
Assignee:
SUITE 4620, THREE ALLEN CENTER, 33 CLAY STREET
C/O OIL STATES INTERNATIONAL, INC.
HOUSTON, TEXAS 77002
Correspondent:
OGILVY RENAULT LLP
SUITE 1600
1981 MCGILL COLLEGE AVENUE
MONTREAL, QUEBEC, H3A 2Y3
Assignment: 7
Reel/Frame:
018767/0230Recorded: 12/21/2006Pages: 19
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/19/2006
Assignee:
P.O. BOX 1639
ALLEN, TEXAS 75013-0028
Correspondent:
LLOYD G. FARR
1320 MAIN STREET
COLUMBIA, SC 29201
Assignment: 8
Reel/Frame:
019588/0172Recorded: 07/19/2007Pages: 8
Conveyance:
CHANGE OF ASSIGNEE ADDRESS
Assignor:
Exec Dt:
07/16/2007
Assignee:
4301 WILL ROGERS PARKWAY
SUITE 600-700
OKLAHOMA CITY, OKLAHOMA 73108
Correspondent:
KENNETH C. BRULEY
1320 MAIN STREET
COLUMBIA, SOUTH CAROLINA 29201
Assignment: 9
Reel/Frame:
029130/0379Recorded: 10/15/2012Pages: 11
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/31/2011
Assignee:
333 CLAY STREET
HOUSTON, TEXAS 77002
Correspondent:
MORGAN LEWIS & BOCKIUS LLP
2 PALO ALTO SQUARE
3000 EL CAMINO REAL
PALO ALTO, CA 94306

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