Patents by Inventor James S. Watkinson

James S. Watkinson 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: 4445324
    Abstract: A manually operated spinning machine which is readily collapsible for transportation or storage. The spinning machine consists of a compartment which has an open front and a lid, the lid being movable between a closed position and an open position. A wheel is housed within the compartment for rotation in a vertical plane parallel to the front. A spinning head is mountable on the inside of the lid so that, when the lid is in the open position, the spinning head can be positioned with its pulley aligned with the wheel. A belt is provided for coupling the wheel and the pulley. Treadle means are connectable to the wheel through a crank for effecting rotation of the wheel.
    Type: Grant
    Filed: April 13, 1982
    Date of Patent: May 1, 1984
    Inventor: James S. Watkinson