Patent Assignment Details
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| Reel/Frame: | 005570/0533 | |
| Pages: | 7 |
| | Recorded: | 01/08/1991 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
4
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Patent #:
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Issue Dt:
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10/13/1987
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Application #:
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06862246
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Filing Dt:
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05/12/1986
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Title:
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METHOD AND APPARATUS FOR LATERAL DRILLING IN OIL AND GAS WELLS
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Patent #:
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Issue Dt:
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04/26/1988
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Application #:
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07069421
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Filing Dt:
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07/02/1987
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Title:
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APPARATUS FOR LATERAL DRILLING IN OIL AND GAS WELLS
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Patent #:
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Issue Dt:
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05/07/1991
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Application #:
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07443768
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Filing Dt:
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11/30/1989
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Title:
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APPARATUS FOR DEFLECTING A DRILL STRING
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Patent #:
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Issue Dt:
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05/07/1991
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Application #:
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07443768
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Filing Dt:
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11/30/1989
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Title:
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APPARATUS FOR DEFLECTING A DRILL STRING
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Assignee
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| BANK S.G. WARBURG SODITIC A.G |
| GARTEUSTRASSE 26, CH-8039 ZURICH, SWITZERLAND |
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Correspondence name and address
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HEAD & JOHNSON
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228 WEST 17TH PLACE
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TULSA, OK 74119
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