Ping Hay Heun

Person

  • Kowloon, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Receiver of an electronic dog collar

    • Patent number D380692
    • Issue date Jul 8, 1997
    • GSL Rechargeable Products, Ltd.
    • Ping Hay Heun
    • D10 - Measuring, testing, or signalling instruments