Patents by Inventor Robert L. Ledebuhr

Robert L. Ledebuhr 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: D247265
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: February 14, 1978
    Inventor: Robert L. Ledebuhr