ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,498, issued on June 17.
"Cold water shower device" was invented by Martinho Tchong (Zuccoli, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cold water shower device includes a water storage tank which receives cool water from a water source. The water storage tank including a refrigeration unit to chill the cool water in the water storage tank. A master valve is integrated into a wall of a shower in the bathroom which receives hot water from the water heater and cool water from the water source. The master valve directs an adjustable mixture of the hot water and the cool water into a shower head. A cold water valve is integrated into the...