ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,991, issued on Sept. 8, was assigned to COSTRUZIONI E SERVIZI S.R.L.S. (Rome).

"Human-powered aircraft" was invented by Giuseppe Bernardini (Rome).

According to the abstract* released by the U.S. Patent & Trademark Office: "A human powered aircraft has a fuselage in which a nacelle is defined, at least one wing fastened to the fuselage, at least a first propeller adapted to rotate about a first propeller axis, and a propeller group configured to be operated by a user to rotate the at least a first propeller about the first propeller axis. The propeller group has a first propulsor and a second propulsor adapted to be moved by upper limbs and lower limbs of the user, respectively. ...