Patent Assignment Details
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Reel/Frame: | 006459/0685 | |
| Pages: | 3 |
| | Recorded: | 03/22/1993 | | |
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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08/17/1993
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Application #:
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07834926
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Filing Dt:
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02/13/1992
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Title:
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SWIVEL CEMENTING HEAD WITH MANIFOLD ASSEMBLY
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Assignee
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JAMES R. DUZAN |
HALLIBURTON SERVICES P.O. BOX 1431 |
DUNCAN, OKLAHOMA 73536 |
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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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P.O. BOX 1431
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DUNCAN, OK 73536
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