90175346
Sep 11, 2020
Jul 6, 2021
Active Trademark
non-electric heating apparatus in the nature of a vent heater for preventing ice from forming in a sewer vent pipe and furnace vent pipe; non-electric heating apparatus in the nature of a vent pipe heater that prevents ice build-up within the vent pipe; heating apparatus in the nature of a vent pipe heater that uses the heat of vent pipe air and the sun to prevent ice build-up within the vent pipe
Environmental Control Apparatus