Robert D. Martin

Person

  • Aix-en-Provence, FR

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-blade propellers

    • Patent number 4,281,966
    • Issue date Aug 4, 1981
    • Societe Nationale Industrielle Aerospatiale
    • Maurice L. Duret
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL