Patents by Inventor R. Mark Leidigh

R. Mark Leidigh 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: D244680
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: June 14, 1977
    Inventors: Darrell J. Leidigh, R. Mark Leidigh