Patents by Inventor Michael D. Whitfield

Michael D. Whitfield 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).

  • Publication number: 20110030291
    Abstract: Disclosed are modules and modular systems for green roof systems.
    Type: Application
    Filed: August 3, 2010
    Publication date: February 10, 2011
    Inventor: Michael D. Whitfield