Patents by Inventor Stanley E. Pearce

Stanley E. Pearce 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).

  • Chain drive shift system
    Patent number: 4116079
    Abstract: In abstract, a preferred embodiment of this invention is a shift system for bicycle type chain drives, including noncable linkages for positive movement in both directions. The hand manipulated controls are conveniently located on the upper portion of the velocipede and are designed for simplicity and smooth operation.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: September 26, 1978
    Inventors: James D. Pearce, Stanley E. Pearce, D. Kevin Pearce