Etsuro WATANABE

Person

  • Hiroshima, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Door opening and closing device

    • Patent number 11,459,813
    • Issue date Oct 4, 2022
    • U-SHIN LTD.
    • Tetsuo Tokudome
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents