Patents by Inventor David Birt, Jr.

David Birt, Jr. 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).

  • Adhesive composition for chemically inert substrate
    Patent number: 6497078
    Abstract: A unique adhesive composition consisting of two parts, a resin and a curing agent, is disclosed. The composition has good adhesion to chemically inert substrates, both flexible and rigid. It is useful for sealing discontinuity in concrete slabs, tanks, decks, pipe lining or combinations thereof.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: December 24, 2002
    Assignee: Forty Ten L.L.C.
    Inventors: Shah A. Haque, Richard Chmiel, David Birt, Jr., Richard L. Iazzetti, Thomas G. Priest