Patents by Inventor Joseph Charles Leonard

Joseph Charles Leonard 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).

  • Cored wire junction
    Patent number: 3980859
    Abstract: Ductile junction of metal-sheathed composite wire, such as flux-cored welding wire for use in automatic arc welding machines, is provided by process comprising resistance upset welding.
    Type: Grant
    Filed: August 22, 1975
    Date of Patent: September 14, 1976
    Assignee: Huntington Alloys, Inc.
    Inventor: Joseph Charles Leonard