ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,270, issued on May 6, was assigned to NOBEL SPORT ITALIA S.R.L. (Milan).
"Shotshell with a biodegradable wad" was invented by Pierluigi Orlandi (Gaggiano, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shotshell including a hull with a metal head, a base wad, a primer and an outer tubular element, a powder housed inside the hull, and a wad housed inside the outer tubular element and above the powder. The wad includes an inner tubular element adapted to contain a plurality of pellets and having a first and a second end, and a side wall, and a sealing element. A side wall of the inner tubular element contacts an inner side wall of the outer tu...