ALEXANDRIA, Va., July 3 -- United States Patent no. 12,342,897, issued on July 1, was assigned to OUT OF S.R.L. (Brescia, Italy).
"Protective helmet equipped with visor with LC layer and depolarizing layer" was invented by Federico Righi (Brescia, Italy) and Roberto Righi (Brescia, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protective helmet for practicing sports activities or using motorized vehicles is provided. The protective helmet has a cap provided with a front opening at an eye region of a user, and closed by a visor assembly. The visor assembly has at least one at least partially transparent structural lens, a guest-host type liquid crystal (LC) film adapted to modify its own transparency...