Patent Assignment Details
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Reel/Frame: | 003839/0815 | |
| Pages: | 1 |
| | Recorded: | 03/13/1981 | | |
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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01/25/1983
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Application #:
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06215677
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Filing Dt:
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12/12/1980
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Title:
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METHOD OF DETERMINING THE CONCENTRATION OF SOLID LUBRICANTS IN DRILLING FLUIDS
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Correspondence name and address
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C. JAMES BUSHMAN
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BROWNING, BUSHMAN & ZAMECKI
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4615 SOUTHWEST FREEWAY, STE. 900E
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HOUSTON, TX 77027
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