Patents by Inventor Russel D. Merkel

Russel D. Merkel 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).

  • Tooth adapter for a cutting edge
    Patent number: D251431
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: March 27, 1979
    Assignee: Caterpillar Tractor Co.
    Inventors: Gene R. Klett, Russel D. Merkel, Michael T. Radigan