Patents by Inventor William Ervin Brown

William Ervin Brown 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).

  • Liquid polish
    Patent number: 6733577
    Abstract: The invention pertains to a liquid polish for metals, glass, plastics and their derivatives: the novel liquid polish reduces application and buffing time significantly compared to prior art polishes using animal fat, glycerides, oils, wetting agents or tallow and uses unique compounds for increasing contact between the abrasive oxides within said liquid polish and surface contaminants of polished materials.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: May 11, 2004
    Inventor: William Ervin Brown