Patents by Inventor Paul William Matthews

Paul William Matthews 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).

  • Cleaning heads
    Patent number: 4107816
    Abstract: This invention relates to a cleaning head and, more particularly, to a cleaning head traversable across a floor surface to direct a jet of cleaning water onto the surface.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: August 22, 1978
    Assignee: Babcock Kina Limited
    Inventor: Paul William Matthews