Patents by Inventor Ronald D. Etheridge

Ronald D. Etheridge 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: 4850923
    Abstract: A flying toy with a hollow cylinder having an annular side wall with a leading end and a trailing end and an inner and an outer surface is formed so that the outer surface of the side wall at the leading end of the cylinder has an airfoil shape, so that a lift is generated on the outer surface of the side wall of the cylinder as the cylinder travels through the air.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: July 25, 1989
    Inventor: Ronald D. Etheridge