Patents by Inventor Frank J. Wolf

Frank J. Wolf 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).

  • Laser hardening of steel work pieces
    Patent number: 4313771
    Abstract: A method of hardening the surface of steel work pieces is disclosed wherein the work piece is first treated with a solution to cause the blackening thereof and subsequently subjected to a laser beam for a time sufficient to raise the surface temperature thereof into the austenitic phase.
    Type: Grant
    Filed: February 29, 1980
    Date of Patent: February 2, 1982
    Assignee: Xerox Corporation
    Inventors: Roberto Lorenzo, Frank J. Wolf