Patents by Inventor John S. Sefton

John S. Sefton 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).

  • Mobile sphere
    Patent number: 4729446
    Abstract: A hollow sphere formed from a plurality of contra-spiralling members extending through 360.degree. from one end of an axis to the other to form a geodesic frame. Latitudinally extending spaced and parallel reinforcing members may be used to brace the frame. An axle may extend along the axis and may include an elastic motor for the embodiment when used as a toy, a pedal and gear assembly when used as a recreational device and a source of a power when used as a mobile powered device.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: March 8, 1988
    Inventor: John S. Sefton