Patents by Inventor Joseph R. Kolar

Joseph R. Kolar 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).

  • Utility rolling machine
    Patent number: D391972
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: March 10, 1998
    Inventor: Joseph R. Kolar