Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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08/28/1990
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Application #:
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06887307
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Filing Dt:
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07/18/1986
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Inventors:
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MASAHIRO KAMATA, SHITOMI KATAYAMA, FRANCIS MONS, ROBERT PORTER
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Title:
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DOWNHOLE SEISMIC EXPLORATION DEVICE AND APPARATUS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 277 PARK AVENUE |
| A CORP. OF TEXAS |
| NEW YORK, NEW YORK 10172 |
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| SCHLUMBERGER: DOLL RES CENTER |
| ATTN: KENNETH OLSEN |
| P.O. BOX 307 |
| RIDGEFIELD, CT. 06877 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 277 PARK AVENUE |
| A CORP. OF TEXAS |
| NEW YORK, NEW YORK 10172 |
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| SCHLUMBERGER |
| DOLL RES CENTER |
| P.O. BOX 307 |
| RIDGEFIELD, CT 06877 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 277 PARK AVENUE |
| A CORP. OF TEXAS |
| NEW YORK, NEW YORK 10172 |
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| SCHLUMBERGER-DOLL RESEARCH |
| ATTN: PATENT COUNSEL |
| OLD QUARRY ROAD |
| RIDGEFIELD, CT 06877-4108 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 277 PARK AVE |
| NEW YORK, NEW YORK 10172 |
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| SCHLUMBERGER-DOLL RESEARCH |
| ATTN: PATENT COUNSEL |
| OLD QUARRY ROAD |
| RIDGEFIELD, CT 06877-4108 |
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