ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,290, issued on April 15.
"Reversible heating and cooling device" was invented by Jeffery Leighton (St Louis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reversible heating and cooling device for temperature control of a passenger compartment of a vehicle includes a housing, which is mountable within an aperture that is in a dash of a vehicle. A heat pump is attached within the housing. A selector is attached to the housing enables to selectively actuate a battery to power the heat pump in a first mode and a second mode. In the first mode, heat is pumped into the engine compartment, whereas, in the second mode, heat is pumped into the passenger co...