Patent Assignment Details
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| Reel/Frame: | 005093/0093 | |
| Pages: | 2 |
| | Recorded: | 05/26/1989 | | |
| 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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01/24/1984
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Application #:
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06405055
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Filing Dt:
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08/04/1982
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Title:
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SINTERED SPHERICAL PELLETS CONTAINING CLAY AS A MAJOR COMPONENT USEFUL FOR GAS AND OIL WELL PROPPANTS
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Assignee
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| 600 E. LAS COLINAS BOULEVARD |
| SUITE 1520 |
| IRVING, TEXAS 75039 |
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Correspondence name and address
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PRAVEL, GAMBRELL, HEWITT, ET AL.
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1177 WEST LOOP SOUTH, TENTH FLOOR
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HOUSTON, TX 77027-9095
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