Patents by Inventor William Brugman

William Brugman 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: 5462617
    Abstract: A method and adhesive system for bonding at least two elastomeric substrates together. The method comprises subjecting the substrates to a priming treatment followed by applying to the primed substrates a heat-curable polyurethane adhesive composition comprising an isocyanate-terminated prepolymer and a polyhydroxide compound. The surfaces of the substrates so treated are contacted and subjected to heat-curing to bond the substrates together.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: October 31, 1995
    Assignee: Bandag Licensing Corporation
    Inventors: David L. Bender, William C. Bryan, William Brugman, Laurence Carlson, Charles E. Fox