Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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05/28/1985
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Application #:
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06519422
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Filing Dt:
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08/01/1983
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Inventor:
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RUDOLF ROPER
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Title:
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AUXILIARY CONTROLLED VALVE DISPOSED IN A DRILLING STRING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| WALTER FRED |
| NORTON CO. |
| ONE NEW BOND ST. |
| WORCESTER, MA 01616 |
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Assignment:
2
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MERGER (SEE DOCUMENT FOR DETAILS).
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CHRISTENSEN, INC., A UTAH CORP., CHRISTENSEN DIAMOND PRODUCTS, U.S.A., A UTAH CORP., CHRISTENSEN DIAMIN TOOLS, INC., A UTAH CORP., ALL MERGING INTO CHRISTENSEN DIAMOND PRODUCTS, U.S.A.
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| NORTON CO. |
| 1 NEW BOND ST. |
| WORCESTER, MA 01606 |
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Assignment:
3
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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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