Sung-Yung Yang

Person

  • Changhua Hsien, TW

Patents Applicationslast 30 patents

  • Information Patent Application

    Doorstop

    • Publication number 20080127457
    • Publication date Jun 5, 2008
    • Jinn-Yi Deng
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES