Patent Assignment Details
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Reel/Frame: | 006146/0209 | |
| Pages: | 3 |
| | Recorded: | 06/08/1992 | | |
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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01/19/1993
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Application #:
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07333165
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Filing Dt:
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04/04/1989
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Title:
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CHEMICAL REMOVAL OF THIOUREA FROM HYDROCHLORIC ACID
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Correspondence name and address
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STEPHEN A. LITTLEFIELD
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DOWELL SCHLUMBERGER INCORPORATED
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P.O. BOX 2710
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TULSA, OK 74101
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