ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,965, issued on March 17, was assigned to HPG S.R.L. (Milan).

"Vertical take-off and landing aircraft" was invented by Maria Giuseppina Ruspa (Milan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical take-off and landing aircraft of the tail-sitting type comprises a cockpit integrated into a body having delta wings in the rear section with respect to the cockpit and a propulsion system placed in the front section with respect to the cockpit. The propulsion system includes at least two coaxial counter-rotating propellers put into rotation by at least two electric engines powered by rechargeable batteries."

The patent was filed on June 20, 202...