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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
07/24/2001
Application #:
09411427
Filing Dt:
10/01/1999
Inventors:
ROBERT H. SLAUGHTER, JR., ROGER DIDERICKSEN
Title:
DUAL-SEAL DRILL BIT WITH FLUID CLEANING CAPABILITY
Assignment: 1
Reel/Frame:
010465/0001Recorded: 12/07/1999Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/30/1999
Exec Dt:
11/30/1999
Assignee:
16740 HARDY STREET
HOUSTON, TEXAS 77032
Correspondent:
CONLEY, ROSE & TAYON, P.C.
MARCELLA D. WATKINS
P.O. BOX 3267
HOUSTON, TEXAS 77253-3267
Assignment: 2
Reel/Frame:
025178/0197Recorded: 10/22/2010Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/26/2010
Assignee:
SE-811 81
SANDVIKEN, SWEDEN
Correspondent:
JEFFREY S. BERGMAN
909 FANNIN ST
SUITE 3500
HOUSTON, TX 77010

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