Patents by Inventor Jon Louis Grzekowiak

Jon Louis Grzekowiak 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).

  • Portion of a slab
    Patent number: D712161
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 2, 2014
    Assignee: Cambria Company LLC
    Inventors: Jon Louis Grzekowiak, Summer Lane Kath, Martin E. Davis