Patents by Inventor Thomas D. Montague

Thomas D. Montague 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).

  • Gun for gas metal arc welding
    Patent number: 5260546
    Abstract: A gas arc metal welding gun has a handle which may be rotated freely with respect to a conduit containing a current transfer wire and a gas tube and with respect to an adapter and tip assembly.
    Type: Grant
    Filed: July 15, 1992
    Date of Patent: November 9, 1993
    Inventors: John A. Ingwersen, Thomas D. Montague, Robert G. Reed
  • Gun for gas metal arc welding
    Patent number: 5132513
    Abstract: A gas arc metal welding gun has a handle which may be rotated freely with respect to a conduit containing a current transfer wire and a gas tube and with respect to an adapter and tip assembly.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: July 21, 1992
    Inventors: John A. Ingwersen, Thomas D. Montague, Robert G. Reed