William Ng

Person

  • Hong Kong S. A. R., CN

Patents Applicationslast 30 patents

  • Information Patent Application

    Disc type padlock

    • Publication number 20040144141
    • Publication date Jul 29, 2004
    • Chateau Products, Inc.
    • William Ng
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES