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: | 004600/0565 | |
| Pages: | 5 |
| | Recorded: | 08/04/1986 | | |
| Conveyance: | ASSIGNOR HERBY QUITCLAIM, SELL AND ASSIGN ALL RIGHT, TITLE AND INTEREST IN SAIDE PATENTS TO ASSIGNEE. (SEE RECORD FOR DETAILS) |
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Total properties:
2
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Patent #:
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Issue Dt:
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11/12/1974
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Application #:
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05315605
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Filing Dt:
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12/15/1972
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Title:
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METHOD AND APPARATUS FOR DETERMINING COMMUNICATION OF PERFORATED ZONE WITH A SECOND ZONE
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Patent #:
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Issue Dt:
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09/10/1974
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Application #:
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05317648
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Filing Dt:
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12/22/1972
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Title:
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MARKER FOR CEMENTED CASING
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Correspondence name and address
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JAMES R. DUZAN
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HALLIBURTON SERVICES
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A DIV. OF HALLIBURTON COMPANY
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P.O. DRAWER 1431
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DUNCAN, OK 73536-0102
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