Patents by Inventor Mary E. Graham

Mary E. Graham 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).

  • Patent number: 5590885
    Abstract: A safety dart game comprising a dart including an open leading end portion having a side wall that defines an interior cavity and a target including a base and a plurality of spaced, finger-like projections extending generally outwardly from the base, the projections having a diameter sized to frictionally engage the interior cavity of the dart when the dart is projected onto the target. The projections on the target may be arranged such that a plurality of the projections frictionally engage an external surface of the dart when the dart is projected onto the target.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: January 7, 1997
    Inventors: Garnard E. Graham, Mary E. Graham