Patents by Inventor William D. Frey

William D. Frey 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).

  • Fast efficient permanent pavement repair material system
    Patent number: 6652185
    Abstract: Disclosed is a repair composite for pavement and pothole repair. The repair composite is composed of an amount of an isophalic polyester casting resin premixed with dry silica sand, cobalt in combination with dimethylanaline, and a catalyst, such as Lupersol® (methly ethyl ketone peroxide catalyst). Additionally, the composite may include reinforcing structures.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: November 25, 2003
    Inventor: William D. Frey