Patent Assignment Details
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| Reel/Frame: | 004672/0954 | |
| Pages: | 2 |
| | Recorded: | 02/24/1987 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
2
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Patent #:
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Issue Dt:
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08/11/1981
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Application #:
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06028243
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Filing Dt:
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04/09/1979
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Title:
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MOBILE SPREADER APPARATUS DRIVE SYSTEM
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Patent #:
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Issue Dt:
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06/02/1987
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Application #:
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06784401
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Filing Dt:
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10/04/1985
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Title:
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STAGE CEMENTING APPARATUS
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Correspondence name and address
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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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