ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,192, issued on Nov. 25, was assigned to Constellium Rolled Products Ravenswood LLC.
"Thick Al-Mg alloy rolled product suitable for armor plate applications" was invented by Jack Franklin (Plymouth, Mich.), Dale Baumgartner (Ravenswood, W.va.), Michael Philbrook (Ravenswood, W.va.), Denise Brandt (Parkersburg, W.va.) and Timothy Jackson (Portland, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to an aluminum alloy plate having a final thickness of 3 inch or more, and a method for manufacturing same. In the method, an aluminum alloy with a chemical composition of in weight percent: Mg 4.0 to 5.2, Mn 0.4 to 1.0, Znless than ...