Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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05/03/1988
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Application #:
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07040381
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Filing Dt:
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04/20/1987
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Inventor:
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ERIC C. SULLIVAN
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Title:
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METHOD FOR MANUFACTURING A ROTARY ROCK BIT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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P.O. BOX 2539 |
HOUSTON, TEXAS 77252-2539 |
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ROBERT A. FELSMAN |
CHIEF PATENT COUNSEL |
PATENTS & TECHNOLOGY MGMNT. |
HUGHES TOOL COMPANY-USA, P.O. BOX 2539 |
HOUSTON, TX 77252-2539 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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P.O. BOX 2539 |
HOUSTON, TEXAS 77252-2539 |
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ROBERT A. FELSMAN |
CHIEF PATENT COUNSEL |
PATENTS & TECHNOLOGY MGMNT. |
HUGHES TOOL COMPANY-USA, P.O. BOX 2539 |
HOUSTON, TX 77252-2539 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE OCTOBER 11, 1988 (DELAWARE)
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FELSMAN, BRADLEY, GUNTER & DILLON |
2600 CONTINENTAL PLAZA |
777 MAIN STREET |
FORT WORTH, TX 76102 |
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Assignment:
4
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE OCTOBER 11, 1988 (DELAWARE)
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FELSMAN, BRADLEY, GUNTER & DILLON |
2600 CONTINENTAL PLAZA |
777 MAIN STREET |
FORT WORTH, TX 76102 |
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