Patents by Inventor Robert Alan

Robert Alan 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).

  • Derailleur guard
    Patent number: 4905541
    Abstract: A derailleur guard adapted to be mounted on a bicycle frame and shaped to protect a rear derailleur from impacts from a generally sideward direction. The derailleur guard includes a forward portion shaped to engage a chain stay of a bicycle frame, a rearward portion shaped to engage a dropout attached to the chain stay, and a loop portion extending between the forward and rearward portions and shaped to extend sidewardly from the frame about a rear derailleur mounted on the dropout of the frame.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: March 6, 1990
    Assignee: Huffy Corporation
    Inventor: Robert Alan