Patents by Inventor James Ratajczek

James Ratajczek 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: D490356
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: May 25, 2004
    Assignee: Kolpin Outdoors, Inc.
    Inventor: James Ratajczek