DC/AC power converters, direct current electronic converters, and electronic power supplies all for use with heavy duty machinery in the nature of airplanes, trains, and trucks, and expressly excluding electronic power supplied for cell phones, smart phones, computer tablets, and other mobile devices

DC/AC power converters, direct current electronic converters, and electronic power supplies all for use with heavy duty machinery in the nature of airplanes, trains, and trucks, and expressly excluding electronic power supplied for cell phones, smart phones, computer tablets, and other mobile devices