Patents by Inventor George W. Gramelspacher

George W. Gramelspacher 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).

  • Mail box structure
    Patent number: 4712731
    Abstract: A rural or suburban mail box structure characterized by a housing, or body, wrapped or overlaid with a thin decorative exterior grade and preservative treated flexible plywood. The arrangement of the invention effectively satisfies both durability and appearance purposes, representing a finished product/effect not available heretofore, where the employed flexible plywood is dimensionally stable and strong.
    Type: Grant
    Filed: July 22, 1986
    Date of Patent: December 15, 1987
    Inventor: George W. Gramelspacher