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Patents Grants
last 30 patents
Information
Patent Grant
Off-shore oil field production equipment
Patent number
4,152,088
Issue date
May 1, 1979
Enterprise d'Equipments Mecaniques et Hydrauliques E.M.H.
Robert Vilain
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pivotal connecting device for pivotally connecting an off-shore art...
Patent number
4,142,820
Issue date
Mar 6, 1979
Enterprise d'Equipments Mecaniques et Hydrauliques E.M.H.
Samuel Tuson
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT