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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
09/21/1982
Application #:
06189370
Filing Dt:
09/22/1980
Inventor:
ROBERT P. RADTKE
Title:
DRILL BIT AND METHOD OF MANUFACTURE
Assignment: 1
Reel/Frame:
005370/0475Recorded: 07/05/1990Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/24/1987
Assignee:
7030 ARDMORE,
HOUSTON,, TEXAS 77059
Correspondent:
FULBRIGHT & JAWORSKI
1301 MCKINNEY, STE. 5100
HOUSTON, TX 77010-3095
Assignment: 2
Reel/Frame:
005366/0664Recorded: 07/09/1990Pages: 12
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/20/1989
Assignee:
DELAWARE
Correspondent:
FULBRIGHT & JAWORSKI
1301 MCKINNEY
SUITE 5100
HOUSTON, TX 77010-3095

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