Patents by Inventor Clifford H. James

Clifford H. James 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).

  • Vented metal roof
    Patent number: 6240690
    Abstract: A novel metal roof is described for passive ventilation of building structures. A ridge vent is described that provides enhanced ventilation of the roof, and provides for safer and economical installation of the metal roof ventilation system.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: June 5, 2001
    Assignee: Roof & Metal Systems, Inc.
    Inventors: Clifford H. James, Michael James