Fan K. Tsang

Person

  • Kowloon, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Hand-held electrical appliances

    • Patent number 4,658,116
    • Issue date Apr 14, 1987
    • Techs Industrial Design Limited
    • Fan K. Tsang
    • F24 - HEATING RANGES VENTILATING