Patents by Inventor G. Robert Hartnett

G. Robert Hartnett 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).

  • Building panel having locking flange and locking receptacle
    Patent number: 5022207
    Abstract: A building panel useful as vinyl soffit in residential construction. The building panel comprises a principal portion, a locking flange, and a locking receptacle interlocking with the locking flange of an adjacent panel. The building panel is easy to assemble and combines high strength with a pleasant appearance.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: June 11, 1991
    Assignee: Aluminum Company of America
    Inventor: G. Robert Hartnett