Patents by Inventor Robert A. Legault

Robert A. Legault 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: 4056657
    Abstract: A ferrous metal strip having a continuous hot-dip coating consisting essentially of the zinc-5% aluminum eutectic alloy which contains as the only metallic additive a metal which reduces the surface tension of the coated bath, such as lead, antimony or tin, with the total amount of the metallic additives being a maximum of about 0.1 wt. %, and said coating being formable and exhibiting good corrosion resistance when exposed to marine-type environments and having a bright, smooth surface free of ripples and spangles which interfere with paintability and weldability.
    Type: Grant
    Filed: June 10, 1976
    Date of Patent: November 1, 1977
    Assignee: Inland Steel Company
    Inventors: Harry P. Leckie, William C. Sievert, Robert A. Legault