Patents by Inventor James A. Mc Elwain

James A. Mc Elwain 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).

  • Punch press
    Patent number: 3960372
    Abstract: A punch press is provided with a side gage member for fixing the location of the workpiece in the X-axis preparatory to being clamped to moving means which position the workpiece in various positions with respect to the punching axis. The side gage member includes adjustment means for accurately setting the distance between its gaging surface and the centerline of the die.
    Type: Grant
    Filed: August 27, 1974
    Date of Patent: June 1, 1976
    Assignee: Houdaille Industries, Inc.
    Inventor: James A. Mc Elwain