Shigeo Wakamatsu

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling machine

    • Patent number 4,408,934
    • Issue date Oct 11, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroshi Ohba
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING