ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,256, issued on March 25, was assigned to FREEPORT MINERALS Corp. (Phoenix).

"System and method for determining lift heights of a stockpile" was invented by Dana Geislinger (Chandler, Ariz.), Margaret Alden Tinsley (Titusville, Fla.), Akaash Sanyal (Boston), Robyn Freeman (Menlo Park, Calif.), Travis Gaddie (Phoenix), Muneeb Alam (Alexandria, Va.), Steven Chad Richardson (Thatcher, Ariz.), Raquel Crossman (Mesa, Ariz.), Tianfang Ni (Boston), Cory A. Demieville (Scottsdale, Ariz.), Luke Gerdes (Framingham, Mass.), Oleksandr Klesov (Lexington, Mass.) and Luciano Kiniti Issoe (Sao Paulo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The method may comp...