Patent Assignment Details
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| Reel/Frame: | 004855/0647 | |
| Pages: | 2 |
| | Recorded: | 01/25/1988 | | |
| 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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06/27/1989
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Application #:
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07147699
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Filing Dt:
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01/25/1988
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Title:
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APPARATUS AND METHOD FOR CEMENTING A LINER IN A WELL BORE
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Assignee
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| P.O. BOX 2539 |
| HOUSTON, TEXAS 77252-2539 |
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Correspondence name and address
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ROBERT A. FELSMAN
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CHIEF PATENT COUNSEL
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PATS. & TECH. MANAGEMENT
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P. O. BOX 2539, HUGHES TOOL COMPANY
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HOUSTON, TX 77252-2539
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