Patent Assignment Details
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Reel/Frame: | 004944/0580 | |
| Pages: | 2 |
| | Recorded: | 09/29/1988 | | |
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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03/20/1990
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Application #:
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07250361
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Filing Dt:
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09/29/1988
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Title:
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DRILL STEERING IN HIGH MAGNETIC INTERFERENCE AREAS
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Assignee
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4251 S. HIGUERA ST. |
SAN LUIS OBISPO, CALIFORNIA 93401 |
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Correspondence name and address
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WILLIAM W. HAEFLIGER
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201 SOUTH LAKE AVENUE
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PASADENA, CA 91101
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