Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 003805/0851 | |
| Pages: | 5 |
| | Recorded: | 11/10/1980 | | |
| Conveyance: | CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). |
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12
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03292579
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04692298
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04693874
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04865492
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05255130
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05271008
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05297770
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04/15/1975
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Application #:
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05300389
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10/24/1972
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Title:
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CLAYFREE AQUEOUS SEA WATER DRILLING FLUID
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05306856
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05463889
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05655623
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09/16/1980
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Application #:
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05903304
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05/05/1978
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Title:
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APPARATUS AND METHOD FOR REMOVING HYDROCARBONS FROM DRILL CUTTINGS
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Correspondence name and address
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HUGHES TOOL COMPANY
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P.O. BOX 2539
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HOUSTON, TX 77001
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