Patent Assignment Details
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| Reel/Frame: | 004537/0223 | |
| Pages: | 1 |
| | Recorded: | 03/31/1986 | | |
| 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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09/22/1987
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Application #:
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06846585
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Filing Dt:
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03/31/1986
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Title:
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MECHANICAL JARRING DEVICES FOR USE IN DRILLING
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Correspondence name and address
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BEEHLER, PAVITT, SIEGEMUND, JAGGER ETAL
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3435 WILSHIRE BLVD., SUITE 1100
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LOS ANGELES, CALIFORNIA 90010
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