Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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09/04/1990
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Application #:
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07211889
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Filing Dt:
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06/27/1988
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Inventor:
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RICHARD P. DUNN
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Title:
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A METHOD OF AND APPARATUS FOR DRILLING A HORIZONTAL CONTROLLED BOREHOLE IN THE EARTH
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| BARRY L. GROSSMAN |
| BANNER, BIRCH, MCKIE & BECKETT |
| SIXTH FLOOR |
| ONE THOMAS CIRCLE, N.W. |
| WASHINGTON, D.C. 20005 |
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