Patents by Inventor James L. Hutton

James L. Hutton 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: 4059141
    Abstract: A barrier for barring the opening of a sliding window, door, etc., from intrusion from the exterior of a building or vehicle, the barrier being collapsible to permit escape of persons from the inside of the building or vehicle through the open window in the event of fire or other emergency. The barrier also constrains the window or door to move in a straight line parallel motion to prevent binding or sticking of the same in its slide bearings during opening or closing of the window or door.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: November 22, 1977
    Inventor: James L. Hutton