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Perret, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Anchors and anchoring system
Patent number
4,173,938
Issue date
Nov 13, 1979
Constructions Metalliques de Provence
Armand T. Colin
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Machine welded obturator
Patent number
4,150,810
Issue date
Apr 24, 1979
Constructions Metalliques de Provence
Raymond A. Laignel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Plug cock
Patent number
4,140,149
Issue date
Feb 20, 1979
Constructions Metalliques de Provence
Raymond A. Laignel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cocks having rotating valves and sliding seats
Patent number
4,084,608
Issue date
Apr 18, 1978
Constructions Metalliques de Provence
Raymond A. Laignel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cock having a rotating valve removable from above
Patent number
4,054,262
Issue date
Oct 18, 1977
Constructions Metalliques de Provence
Raymond A. Laignel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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