19 AUTOMOBILE HEATERS OF THE INTERNAL COMBUSTION TYPE USING LIQUID FUEL, CARGO HEATERS OF THE INTERNAL COMBUSTION TYPE USING LIQUID FUEL FOR INSTALLATION IN VEHICULAR TRUCKS AND TRAILERS, DEFROSTER UNITS FOR USE WITH AUTOMOBILE HEATERS, CONTROL UNITS FOR AUTOMOBILE HEATERS USING LIQUID COMBUSTIBLE FUEL, LIQUID PUMPS FOR AUTOMOBILE HEATERS USING LIQUID COMBUSTIBLE FUEL, AND SUN VISORS FOR AUTOMOBILES