Patent Assignment Details
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Reel/Frame: | 005502/0569 | |
| Pages: | 2 |
| | Recorded: | 10/30/1990 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/14/1992
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Application #:
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07606001
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Filing Dt:
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10/30/1990
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Title:
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FISHTAIL EXPENDABLE DIAMOND DRAG BIT
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Assignee
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16740 HARDY STREET, A DE CORP. |
HOUSTON, TEXAS 77032 |
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Correspondence name and address
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ROBERT G. UPTON
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SMITH INTERNATIONAL, INC.,
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P. O. BOX 60068
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HOUSTON, TX 77205
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