Patents by Inventor Ronald Hickman

Ronald Hickman 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).

  • Portable wringer
    Patent number: 6571586
    Abstract: A portable wringer 11 for a chamois leather comprises a support structure 12, and a pair of rollers 13,14 driven by a crank handle 15. The support structure 12 carries a suction device 18.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: June 3, 2003
    Inventors: Michael Ritson, Maurice Willis, Ronald Hickman