Patents by Inventor Kelvin L. Tellinghuisen

Kelvin L. Tellinghuisen 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).

  • Paraplegic's tricycle
    Patent number: D332765
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: January 26, 1993
    Inventor: Kelvin L. Tellinghuisen