Patents by Inventor Francis E. McDonald

Francis E. McDonald 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).

  • Multiple use billiard ball rack
    Patent number: 5376054
    Abstract: A billiard ball rack for shaping a group of billiard balls on a pool table having leg members which when in a storage position enables the rack to be used as a standard triangular fifteen ball rack yet when moved to an alternate position such leg members in combination with other rack portions enables the rack to be alternately used as a diamond shape nine ball rack.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: December 27, 1994
    Inventors: Charles D. Kwasny, Francis E. McDonald