Patent Assignment Details
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| Reel/Frame: | 004878/0638 | |
| Pages: | 1 |
| | Recorded: | 03/31/1988 | | |
| 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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04/18/1989
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Application #:
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07176072
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Filing Dt:
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03/31/1988
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Title:
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MECHANICAL FACE SEAL FOR ROCK BITS
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Assignee
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| 4343 VON KARMAN AVENUE |
| NEWPORT BEACH, CALIFORNIA 92680 |
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Correspondence name and address
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ROBERT G. UPTON
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SMITH TOOL
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P. O. BOX C-19511
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IRVINE, CA 92713-9511
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