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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
07/21/1992
Application #:
07699987
Filing Dt:
05/13/1991
Inventors:
JOHN M. DEES, PATRICK J. HANDREN, TERENCE B. JUPP
Title:
OVERBALANCE PERFORATING AND STIMULATION METHOD FOR WELLS
Assignment: 1
Reel/Frame:
005743/0676Recorded: 06/21/1991Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
05/08/1991
Exec Dt:
05/10/1991
Exec Dt:
05/10/1991
Assignee:
DELAWARE
Correspondent:
PRAVEL, GAMBRELL, HEWITT, KIMBALL
& KRIEGER
1177 WEST LOOP SOUTH - TENTH FLOOR
HOUSTON, TEXAS 77027-9095
Assignment: 2
Reel/Frame:
010589/0343Recorded: 02/10/2000Pages: 23
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/26/1999
Assignee:
123 ROBERT S. KERR
OKLAHOMA CITY, OKLAHOMA 73102
Correspondent:
MCAFEE & TAFT
CLIFFORD C. DOUGHERTY, III
211 NORTH ROBINSON
10TH FLOOR
OKLAHOMA CITY, OK 73102
Assignment: 3
Reel/Frame:
013532/0988Recorded: 12/04/2002Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/21/2002
Assignee:
123 ROBERT S. KERR AVENUE
OKLAHOMA CITY, OKLAHOMA 73102
Correspondent:
KERR-MCGEE OIL & GAS CORPORATION
WILLIAM B. MILLER
123 ROBERT S. KERR AVENUE
OKLAHOMA CITY, OK 73102
Assignment: 4
Reel/Frame:
016418/0818Recorded: 08/19/2005Pages: 14
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
05/24/2005
Assignee:
P.O. BOX 2558
HOUSTON, TEXAS 77252
Correspondent:
ROBYN RAHBAR, ESQ.
SIMPSON THACHER & BARTLETT LLP
425 LEXINGTON AVENUE
NEW YORK, NY 10017
Assignment: 5
Reel/Frame:
017045/0403Recorded: 01/23/2006Pages: 5
Conveyance:
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT RIGHTS (PREVIOUSLY RECORDED AT REEL 16418 FRAME 0818)
Assignor:
Exec Dt:
01/09/2006
Assignee:
123 ROBERT S. KERR AVENUE
OKLAHOMA CITY, OKLAHOMA 73102
Correspondent:
MARK SOLOMON, ESQ.
SIMPSON THACHER & BARTLETT LLP
425 LEXINGTON AVENUE
NEW YORK, NY 10017

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