Patents by Inventor Dearl Thomson

Dearl Thomson 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: 6269512
    Abstract: A grip washer includes a tubular body having a closed lower end for holding cleaning fluid and an open upper end for receiving the grips or handles to be cleaned. A helical cleaning brush with multiple turns for cleaning the grips is threaded into position in the body. A second helical brush of a single turn threaded into the body and spaced above the cleaning brush provides a splash guard function during grip cleaning.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: August 7, 2001
    Inventors: Dearl Thomson, Dale Thorstens, Donn Woodworth