Patent Assignment Details
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Reel/Frame: | 005135/0833 | |
| Pages: | 2 |
| | Recorded: | 07/13/1989 | | |
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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01/01/1991
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Application #:
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07372987
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Filing Dt:
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06/28/1989
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Title:
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METHOD OF DETERMINING THE POROSITY OF AN UNDERGROUND FORMATION BEING DRILLED
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Assignee
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200 MACCO BOULEVARD, |
A CORP. OF TX. |
SUGAR LAND, TEXAS 77478 |
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Correspondence name and address
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SCHLUMBERGER LIMITED
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ATTN: PATENT COUNSEL
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200 MACCO BLVD,
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SUGAR LAND, TX 77478
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