Hiroshi Sugimoto

Person

  • Fuchu-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Man-powered boat propulsion device

    • Patent number 4,969,846
    • Issue date Nov 13, 1990
    • Hiroshi Sugimoto
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents