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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
06/28/1994
Application #:
07992869
Filing Dt:
12/17/1992
Inventors:
MATTHEW R. ISBELL, RUDOLF C. O. PESSIER, ROBERT E. GRIMES
Title:
EARTH-BORING BIT WITH AN ADVANTAGEOUS INSERT CUTTING STRUCTURE
Assignment: 1
Reel/Frame:
006362/0326Recorded: 12/17/1992Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/16/1992
Assignee:
P.O. BOX 2539
5425 POLK AVENUE
HOUSTON, TEXAS 77023
Correspondent:
ROBERT A. FELSMAN
FELSMAN, BRADLEY, ET/AL
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TX. 76102
Assignment: 2
Reel/Frame:
006362/0328Recorded: 12/17/1992Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/16/1992
Assignee:
P.O. BOX 2539
5425 POLK AVENUE
HOUSTON, TEXAS 77023
Correspondent:
ROBERT A. FELSMAN
FELSMAN, BRADLEY, ET/AL
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TX. 76102
Assignment: 3
Reel/Frame:
006362/0330Recorded: 12/17/1992Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/16/1992
Assignee:
P.O. BOX 2539
5425 POLK AVENUE
HOUSTON, TEXAS 77023
Correspondent:
ROBERT A. FELSMAN
FELSMAN, BRADLEY, ET/AL
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TX 76102
Assignment: 4
Reel/Frame:
006838/0975Recorded: 01/31/1994Pages: 19
Conveyance:
MERGER AND CHANGE OF NAME (SEE RECORD FOR DETAILS)
Assignor:
Exec Dt:
01/18/1994
Assignee:
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
FELSMAN, BRADLEY, GUNTER & DILLON, LLP
ROBERT A. FELSMAN
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TEXAS 76102

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