Patents by Inventor Donald A. Crosbie

Donald A. Crosbie 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).

  • Apparatus and method of shoring masonry, stone, concrete and other materials over openings in buildings
    Patent number: 4681290
    Abstract: Apparatus and method for aiding in the laying of the top course of bricks over openings in masonry curtain wall construction and other buildings. A clamping hanger securable to the lintel of an opening includes a support foot which extends into the opening. The foot is adjustable in two ways to provide precise temporary support for a soldier bond course of bricks during laying. The hanger does not interfere with construction within or outside of the building while in place. No framing in the opening is required when this hanger and method is used.
    Type: Grant
    Filed: November 28, 1984
    Date of Patent: July 21, 1987
    Inventor: Donald A. Crosbie