Patents by Inventor Leah M. Dougherty

Leah M. Dougherty 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).

  • SYSTEM AND METHOD FOR MAKING HIGH-DENSITY COVER BOARDS
    Publication number: 20170321028
    Abstract: A high-density foam cover board, including a high-density foam layer, wherein the high-density foam layer comprise polyurethane, polyisocyanurate, a filler, and a viscosity additive.
    Type: Application
    Filed: May 9, 2016
    Publication date: November 9, 2017
    Inventor: Leah M. Dougherty