Patent Assignment Details
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| Reel/Frame: | 004586/0553 | |
| Pages: | 2 |
| | Recorded: | 07/18/1986 | | |
| 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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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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Title:
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DOWNHOLE SEISMIC EXPLORATION DEVICE AND APPARATUS
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Assignee
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| 277 PARK AVENUE |
| A CORP. OF TEXAS |
| NEW YORK, NEW YORK 10172 |
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Correspondence name and address
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SCHLUMBERGER: DOLL RES CENTER
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ATTN: KENNETH OLSEN
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P.O. BOX 307
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RIDGEFIELD, CT. 06877
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