Patents by Inventor James M. DeZuba

James M. DeZuba 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).

  • Ceramic die and method of using same
    Patent number: 4038858
    Abstract: A complete all-ceramic die for use in wire-drawing operations includes a new and novel approach zone, bearing zone and back relief to thereby eliminate lubrication of the die and unwanted lubrication dust and wire scales.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: August 2, 1977
    Assignee: Rose M. DeZuba
    Inventor: James M. DeZuba