Patents by Inventor Raymond William Duke

Raymond William Duke 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: 20090023377
    Abstract: In one form, a vent system is provided that can be mounted to a structure to provide for air flow either into or out of the structure. The vent system comprising one or more covers and at least one bottom flange in which the bottom flange defines a hole or opening. The cover is positioned over the opening and further defines the space between the cover and the flange to provide for air to travel either into or out of the opening. One or more inserts may be positioned within the opening or within other spaces defined by the cover and bottom flange to assist in minimizing the amount of moisture, snow or other foreign objects from entering the vent system.
    Type: Application
    Filed: March 12, 2008
    Publication date: January 22, 2009
    Inventors: Raymond William Duke, Gary Mathia