ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,709, issued on July 28, was assigned to PIRELLI TYRE S.p.A. (Milan).

"Self-supporting tyre for automotive wheels" was invented by Davide Miazzo (Milan), Emiliano Resmini (Milan), Luca Camosi (Milan), Luca Giannini (Milan) and Dario Scaltritti (Milan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a self-supporting tyre (100) for motor vehicles which comprises sidewall reinforcing inserts (113A, 113B) with different stiffness. In particular, the sidewall reinforcing insert on the side of the tyre most stressed during driving is less rigid than the sidewall reinforcing insert on the less stressed side. The tyre of the i...