Patent Assignment Details
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| Reel/Frame: | 005133/0399 | |
| Pages: | 3 |
| | Recorded: | 08/28/1989 | | |
| 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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05/22/1990
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Application #:
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07368065
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Filing Dt:
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06/15/1989
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Title:
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DETERMINING IMPEDANCE OF MATERIAL BEHIND A CASING IN A BOREHOLE
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Assignee
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| 277 PARK AVENUE |
| A CORP. OF TX |
| NEW YORK, NEW YORK 10172 |
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Correspondence name and address
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CLIFFORD L. TAGER
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SCHLUMBERGER-DOLL RESEARCH
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OLD QUARRY ROAD
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RIDGEFIELD, CT 06877-4108
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