Patents by Inventor John J. Unnerstall

John J. Unnerstall 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).

  • Shopping cart corral
    Patent number: D487949
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: March 30, 2004
    Assignee: National Cart Co. Inc.
    Inventors: Robert H. Unnerstall, Jr., John J. Unnerstall
  • Shopping cart corral
    Patent number: D488904
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: April 20, 2004
    Assignee: National Cart Co. Inc.
    Inventors: Robert H. Unnerstall, Jr., John J. Unnerstall