Patents by Inventor Leo D. Magnuson

Leo D. Magnuson 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).

  • Bicycle pedal attachment
    Patent number: 3960027
    Abstract: A supporting strip to which is applied upward spring tension has an inwardly inclined heel member to be urged against the heel of a bicyclist. The heel member permits upward force on the crank of a bicycle such that driving force can be applied from each pedal to the crank most of the time during each revolution.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: June 1, 1976
    Inventor: Leo D. Magnuson