Patents by Inventor Joseph W. Matthews

Joseph W. Matthews 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: 4993891
    Abstract: A milling cutter with a plurality of grinding inserts in a unique orientation to remove the machining marks of the roughing inserts and texture the surface to a consistently roughened flat finish.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: February 19, 1991
    Assignee: General Motors Corporation
    Inventors: Brian D. Kaminiski, Joseph W. Matthews, Gary L. Gaffney
  • Patent number: D245820
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: September 20, 1977
    Inventor: Joseph W. Matthews