Patents by Inventor David M. Bird

David M. Bird 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: 4018443
    Abstract: A game apparatus includes a goal having a top, support members extending from the top to the playing surface, and enclosure means intermediate the top and the playing surface with a gap in those means defining a goal mouth. The goal top is formed as a rigid unit for supporting the weight of a player and is spaced from the playing surface by a distance which permits the player to sit on the top with knees bent and feet on the playing surface.
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: April 19, 1977
    Inventor: David M. Bird