Patents by Inventor Frank Spevak

Frank Spevak 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).

  • Patent number: 4495252
    Abstract: A wear-resistant metallic article is provided which comprises a metallic substrate, a barrier layer of a metal selected from the group consisting of nickel, alloys of nickel, copper and alloys of copper on a surface of the metallic substrate and a layer of wear-resistant material bonded to the substrate, with the wear-resistant material including a mixture of nickel aluminide in a copper base matrix.
    Type: Grant
    Filed: January 16, 1980
    Date of Patent: January 22, 1985
    Assignee: Imperial Clevite Inc.
    Inventors: James W. O'Brien, Frank Spevak