Patent Assignment Details
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Reel/Frame: | 003927/0910 | |
| Pages: | 2 |
| | Recorded: | 11/19/1981 | | |
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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12/27/1983
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Application #:
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06285501
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Filing Dt:
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07/21/1981
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Title:
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COUPLING FOR EARTH BORING UNITS
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Assignee
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WEST DITCH WITCH RD. |
P.O. BOX 66 |
PERRY, OKLAHOMA 73077 |
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Correspondence name and address
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SCHUYLER, BANNER, BIRCH,
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MC KIE & BECKETT
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1000 CONNECTICUT AVE.
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WASHINGTON, DC 20036
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