Patent Assignment Abstract of Title
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Total Assignments:
2
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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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Inventors:
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GERHARD HEIDEMANN, JOHANNES WITTE
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Title:
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MECHANICAL JARRING DEVICES FOR USE IN DRILLING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| BEEHLER, PAVITT, SIEGEMUND, JAGGER ETAL |
| 3435 WILSHIRE BLVD., SUITE 1100 |
| LOS ANGELES, CALIFORNIA 90010 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A JOINT VENTURE OF DE |
| NOT PROVIDED |
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| LADAS & PARRY |
| 26 WEST 61ST ST. |
| NEW YORK, NY 10023 |
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