Kuan Shang Ming

Person

  • Rivera Garden Tsuen Wan, N.T., HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Propulsion system for a bicycle

    • Patent number 5,785,337
    • Issue date Jul 28, 1998
    • Kuan Shang Ming
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS