Christopher M. Browning

Person

  • Seattle, WA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Two speed sprocket shift assembly

    • Patent number 4,580,997
    • Issue date Apr 8, 1986
    • Bicycle Partnership #1
    • Bruce W. Browning
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS