Patent Assignment Details
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| Reel/Frame: | 004636/0352 | |
| Pages: | 1 |
| | Recorded: | 11/24/1986 | | |
| 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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03/24/1987
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Application #:
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06862920
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Filing Dt:
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05/14/1986
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Title:
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HYDRAULICALLY CONTROLLED SAFETY VALVES FOR INCORPORATION IN PRODUCTION TUBES OF HYDROCARBON PRODUCTION WELLS
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Assignee
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| 5, RUE MICHEL-ANGE |
| 75781 PARIS CEDEX 16, FRANCE |
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Correspondence name and address
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SUGHRUE, MION, ZINN MAC PEAK & SEAS
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1776 K STREET, N. W.
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WASHINGTON, DC 20006
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