Patents by Inventor Willard J. Burton

Willard J. Burton 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: 4096702
    Abstract: A mine stopping device and method of constructing same utilizing a plurality of laterally spaced substantially vertically disposed support members extending from the floor to the ceiling of a mine tunnel with a wire mesh screening secured thereto and extending substantially across the entire cross sectional area of the mine tunnel, and a plaster applied to the wire mesh to form a substantially air tight wall in sealing engagement with the walls, floor and ceiling of the mine tunnel. An inspection door can be provided in the mine stopping with an adjustable hinge which permits the door to be realigned with the door frame if the frame is distorted due to shift in the roof of the mine.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: June 27, 1978
    Inventor: Willard J. Burton