Patent Assignment Details
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| Reel/Frame: | 005510/0420 | |
| Pages: | 3 |
| | Recorded: | 11/13/1990 | | |
| 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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04/07/1992
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Application #:
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07582495
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Filing Dt:
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09/14/1990
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Title:
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DRILL BIT OR COREHEAD MANUFACTURING PROCESS
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Assignee
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| BURN OF DAFF FARM, DOWNIES PORTLETHEN |
| ABERDEEN SCOTLAND, GREAT BRITAIN AB1 4QX |
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Correspondence name and address
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ALLAN RATNER
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RATNER & PRESTIA
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500 N. GULPH ROAD
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P.O. BOX 980
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VALLEY FORGE, PA 19482
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