Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 012813/0792 | |
| Pages: | 7 |
| | Recorded: | 04/23/2002 | | |
| Conveyance: | DOCUMENT PREVIOUSLY RECORDED AT REEL 012177 FRAME 0519 CONTAINED AN ERROR IN PROPERTY NUMBER 5009928. DOCUMENT RE-RECOREDED TO CORRECT EROR ON STATED REEL. |
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Total properties:
1
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Patent #:
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Issue Dt:
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03/31/1992
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Application #:
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07553345
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Filing Dt:
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07/16/1990
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Title:
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NON-POLLUTING DISPERSING AGENT FOR DRILLING FLUIDS BASED ON FRESHWATER OR SALT WATER
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Assignee
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| 35, RUE AMPERE |
| 69730 GENAY, FRANCE |
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Correspondence name and address
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OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
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FOURTH FLOOR
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1755 JEFFERSON DAVIS HIGHWAY
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ARLINGTON, VA 22202
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