Patents by Inventor Dana Timmer

Dana Timmer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5433466
    Abstract: A bicycle attachment is used to mount and drive an oversize rear wheel on a conventional bicycle frame. The attachment has a housing with a forward axle that is releasably received in the rear wheel fork of the bicycle (after the conventional rear wheel is removed) and a clamp that releasably fixes the forward end of the housing to the frame of the bicycle. The attachment extends rearwardly from the frame of the bicycle, to an attachment rear axle that mounts the oversize tire. An attachment drive system transmits the power of the standard chain drive of the bicycle to the oversize tire.
    Type: Grant
    Filed: September 16, 1993
    Date of Patent: July 18, 1995
    Inventor: Dana Timmer