Patents by Inventor JONATHAN W. APGAR

JONATHAN W. APGAR 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).

  • HEAT WELDABLE EPDM ROFFING MEMBRANE
    Publication number: 20010003625
    Abstract: A heat weldable roofing membrane including a substrate sheet formed of ethylene-propylene diene monomer and a top film layer laminated to at least one surface of the substrate sheet and selected from TPE and TPO.
    Type: Application
    Filed: November 20, 1998
    Publication date: June 14, 2001
    Inventors: JONATHAN W. APGAR, MICHAEL J. HUBBARD, WALTER J. KELLY, BARRY M. ROSENBAUM, ANTHONY VERROCCHI, RAYMOND J. WEINERT