ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,655, issued on Dec. 2, was assigned to Patrick Gerard Stack (Northville, Mich.).
"High efficiency toilet" was invented by Patrick Gerard Stack (Northville, Mich.) and Joan Marie Stoneburner (Commerce Township, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high efficiency toilet configuration includes a water tank. The tank includes a supply line, a mechanical valve controlling a flow of water from the line into the tank, and walls and a base. The tank includes a through-hole in the base channeling water out of the water tank and a tank outlet hole including a housing extending through the through-hole. The tank includes an outlet valve confi...