Patent Assignment Details
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Reel/Frame: | 005751/0412 | |
| Pages: | 3 |
| | Recorded: | 06/27/1991 | | |
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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12/08/1992
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Application #:
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07704030
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Filing Dt:
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05/22/1991
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Title:
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DRILLING TOOL FOR SINKING WELLS IN UNDERGROUND ROCK FORMATIONS
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Assignee
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3900 ESSEX LAND, STE. 1200 HOUSTON, TX 77027 |
TEXAS |
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Correspondence name and address
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JOSEPH A. WALKOWSKI
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P.O. BOX 2550
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SALT LAKE CITY, UT 84110
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