ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,372, issued on May 6, was assigned to BELVAC PRODUCTION MACHINERY INC. (Lynchburg, Va.).

"Metal container with a carrier ring and methods of making the same" was invented by Gerald Meador (Lynchburg, Va.), Dennis E. Green (Lynchburg, Va.), Erika S. Love (Lynchburg, Va.) and Paul Whittaker (Lynchburg, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a carrier ring on a metal article having an open end and a sidewall extending therefrom. The method includes contacting an inner surface of the sidewall with an inner roller to form a protrusion and contacting an outer surface of the sidewall with an outer roller to form a first groo...