Patents by Inventor William A. Prokop

William A. Prokop 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).

  • Cutting blade
    Patent number: D274183
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: June 5, 1984
    Assignee: Dahle U.S.A.
    Inventors: William A. Prokop, Gerd Dahle