ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,277, issued on Nov. 4.

"Method, process, and system of using a mill to separate metals from fibrous feedstock" was invented by Thomas A. Valerio (Atlanta).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for recovering metals from waste in which material is roughly or coarsely separated to leave a fibrous feedstock, the feedstock is comminuted with a mill (e.g., a ball mill) to liberate and separate the fibrous feedstock to obtain a mix of a metal fraction and residue, and the metals fraction and the residue are collected. There is a system employing the same to treat such materials."

The patent was filed on June 25, 2019, under Application No...