Patents by Inventor Raymond B. DuVal, III

Raymond B. DuVal, III 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
    Patent number: 7603808
    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: Grant
    Filed: January 9, 2007
    Date of Patent: October 20, 2009
    Assignee: Columbia Green Technologies, Inc.
    Inventors: Mark M. Carpenter, Raymond B. DuVal, III