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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
10/27/1998
Application #:
08792744
Filing Dt:
02/03/1997
Inventors:
HAROLD K. BECK, PAUL D. RINGGENBERG, ROGER L. SCHULTZ, RODNEY R. SETLIFF
Title:
APPARATUS FOR TESTING AND SAMPLING OPEN-HOLE OIL AND GAS WELLS
Assignment: 1
Reel/Frame:
008469/0150Recorded: 04/21/1997Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/09/1997
Exec Dt:
04/11/1997
Exec Dt:
04/01/1997
Exec Dt:
04/15/1997
Assignee:
LAW DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381
Correspondent:
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM M. IMWALLE
MAIL CODE 1-B-121
P.O. BOX 819052
DALLAS, TX 75381
Assignment: 2
Reel/Frame:
011461/0670Recorded: 12/22/2000Pages: 25
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
10/16/2000
Assignee:
1000 LOUISIANA STREET
HOUSTON, TEXAS 77002
Correspondent:
MAYER, BROWN & PLATT
ROBERT E. RUDE II
1909 K STREET, N.W.
WASHINGTON, D.C. 20006
Assignment: 3
Reel/Frame:
022520/0291Recorded: 04/08/2009Pages: 24
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/26/2009
Assignee:
15151 SOMMERMEYER ST.
HOUSTON, TEXAS 77041
Correspondent:
SMITH INTERNATIONAL, INC.
16740 HARDY ST.
PATENT SERVICES
HOUSTON, TX 77032

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