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Roger Develay

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  • Seyssinet Pariset, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making hollow bodies under pressure from aluminum alloys
    • Patent number 4,439,246
    • Issue date Mar 27, 1984
    • Societe Metallurgique de Gerzat
    • Roger Develay
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Aluminum alloy
    • Patent number 4,069,072
    • Issue date Jan 17, 1978
    • Pechiney Ugine Kuhlmann
    • Roger Develay
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...