Patents by Inventor William C. Probst

William C. Probst 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).

  • Mandrel for nickel rounds with a monolithic surface
    Patent number: 4235696
    Abstract: A polymeric electroforming mandrel having a metal base, eg. a layer of expanded sheet steel, and a polymeric layer surrounding such base, the layer having inserts of electroconductive polymer interspersed in a continuous area of non-conductive polymer and the layer comprising welded or otherwise hermetically joined units lying in the same plane.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: November 25, 1980
    Assignee: The International Nickel Co., Inc.
    Inventors: Philip Bernstein, William C. Probst, James P. Coffey, Charles J. Knipple