Patents by Inventor Kenneth O. Barnhart

Kenneth O. Barnhart 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).

  • Coin holder
    Patent number: 4240544
    Abstract: A coin holder for a stack of coins of a predetermined diameter comprising first and second housing sections of transparent plastic sheet material hinged together along one of the longitudinal edges of the housing sections so that the housing sections can be moved between open and closed positions. The housing sections are resilient and have an inside diameter less than the diameter of the coins to be received therein so that the housing sections resiliently grip the coins. The plastic sheet material of the housing sections is formed inwardly at predetermined regions to define a plurality of radially, inwardly projecting and circumferentially extending ribs.
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: December 23, 1980
    Inventors: Kenneth O. Barnhart, Lawrence H. Morita, Rube I. Rubell