Chen-Kuo Chen

Person

  • Taoyuan City, TW

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SECURITY-LOCKING DEVICE FOR WINCH KEYHOLE

    • Publication number 20210404506
    • Publication date Dec 30, 2021
    • Wen-Fong Jean
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    PUSH-AND-PULL LATCH DEVICE

    • Publication number 20210189763
    • Publication date Jun 24, 2021
    • Wen-Fong Jean
    • Wen-Fong Jean
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES