Patents by Inventor Frank D. Harris

Frank D. Harris 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).

  • Roof insulation support means
    Patent number: 4040224
    Abstract: An insulation retaining device for supporting insulation material against the underside of a roofing panel interconnected with an adjacent roofing panel comprises a tongue portion for insertion between a joint of the interconnecting panels and a lip portion connected to the tongue for supporting insulation material placed against the underside of a panel.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: August 9, 1977
    Assignee: Ralph D. Harris
    Inventor: Frank D. Harris