Patents by Inventor Raymond DuVal

Raymond DuVal 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).

  • VEGETATION ROOFING SYSTEM
    Publication number: 20070157514
    Abstract: A vegetation roofing tray comprising an interconnecting lip is provided. The interconnecting lip on the sidewall of a tray engages with a sidewall of an adjacent tray, securely interconnecting the adjacent trays side-by-side together. A securing device penetrating the sidewalls of adjacent trays may also be used to secure the adjacent trays together.
    Type: Application
    Filed: January 9, 2007
    Publication date: July 12, 2007
    Applicant: COLUMBIA GREEN TECHNOLOGIES, INC.
    Inventors: Mark Carpenter, Raymond DuVal