Patents by Inventor William L. Brock

William L. Brock 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: 4314395
    Abstract: A device for applying pressure to a surface. A base member has a contacting means mounted on its lower face and a pressure conveying means mounted on its upper face. The user applies pressure to the device through handles. The pressure is conveyed through the handles, carrier members, and axles to rollers. The device is lightweight and portable such that it may be used on walls, ceilings, and in confined spaces as well as for conventional floor installation.
    Type: Grant
    Filed: October 31, 1979
    Date of Patent: February 9, 1982
    Inventor: William L. Brock