Patents by Inventor Robert Grzenia

Robert Grzenia 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).

  • DARTBOARD ASSEMBLY INCORPORATING INTERCHANGEABLE GAME SHEETS DEPICTING A VARIETY OF SPORT AND RECREATIONAL THEMES
    Publication number: 20120200042
    Abstract: The present invention is an assembleable game board assembly including a structurally supporting frame including a planar shaped and dart tip absorbing backing for receiving at least one insert sheet representative of a game play variant. A pair of upper and lower edge extending members are positioned in retaining fashion over corresponding upper and lower edges of the insert sheet and which receiving threaded compression screws with turn knobs through apertures defined in the ends of the elongate members and which align with threaded apertures associated with upper and lower edge locations of the frame.
    Type: Application
    Filed: February 7, 2012
    Publication date: August 9, 2012
    Inventors: Chad Kelly, Robert Grzenia