Patent Assignment Details
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Reel/Frame: | 005525/0963 | |
| Pages: | 5 |
| | Recorded: | 11/19/1990 | | |
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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05/03/1988
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Application #:
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07004385
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Filing Dt:
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01/16/1987
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Title:
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METHOD FOR TREATING SUBTERRANEAN FORMATIONS
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Assignee
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400 WEST BELT SOUTH, |
HOUSTON,, TEXAS 77001 |
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Correspondence name and address
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STEPHEN A. LITTLEFIELD
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PATENT COUNSEL
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P.O. BOX 2710
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TULSA, OK 74101
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