Patents by Inventor Francis A. Dedona

Francis A. Dedona 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).

  • Anodizing means and techniques
    Patent number: 3983014
    Abstract: In anodizing aluminum the primary power source is three phase which is converted into six phase and each current in each of such six phases flowing through an anodizing bath is controlled as to intensity and form with a large positive pulse followed by a smaller negative pulse and with the rate of such pulses being adjustable within the range of one to twenty per second for control of shade of the anodized aluminum.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: September 28, 1976
    Assignee: The Scionics Corporation
    Inventors: Frederick S. Newman, John T. Hartman, Francis A. Dedona