SUPERPROTONIC

Fuel cells; fuel cell stacks consisting of fuel cells; fuel cell systems consisting of fuel cells; fuel cell testing equipment, namely, equipment for measuring and maintaining fuel cell and fuel stack operating conditions and equipment for evaluating fuel cell and fuel stack performance; and components and accessories for each of the foregoing, namely, proportional-integral-derivative (PD) electrical controllers, pressure regulators for equipment for measuring, maintaining and evaluating fuel cell and fuel stack performance, pressure gauges, gas flow meters, control valves for regulating the flow of gases, gas line power switches, hygrometers, electrical resistance heating wires, voltmeters, electric meters for measuring amperage, source electric meters, electric power meters, data acquisition electronic circuit cards, equipment interface computer operating programs and data analysis computer operating programs