Patents by Inventor Ernest L. Ping

Ernest L. Ping 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).

  • Dart game with apertured target plates resiliently mounted
    Patent number: 4057251
    Abstract: A dart includes a flexible plastic tip having a comparatively blunt point and is adapted to be thrown at a dart board having an array of target plates formed with holes for receiving and holding the tip. Each target plate shifts inwardly upon being struck by a dart and effects closing of a switch for producing a scoring signal.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: November 8, 1977
    Assignee: Arachnid, Incorporated
    Inventors: Richard F. Jones, Ernest L. Ping