Patents by Inventor Patricia M. Dreyfuss

Patricia M. Dreyfuss 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: 4598012
    Abstract: A reinforcing material based on glass fibers and which is resistant to attack by the free alkali present in the cementitious matrix which is to be reinforced by said material is produced from ordinary glass scrim by coating said scrim with three successive rubber latex coatings by dipping the scrim into said latexes, and drying the coatings between dips.
    Type: Grant
    Filed: February 14, 1985
    Date of Patent: July 1, 1986
    Assignee: Research One Limited Partnership
    Inventors: Richard S. Miller, Randall P. Bright, Richard D. Vargo, Patricia M. Dreyfuss