74704561
Jul 24, 1995
Sep 24, 1996
electric alarm controls for use with sump pumps, said pumps comprised of heavy duty motors, motor housings, pump receptacles and receptacle covers, impellers, pump-out vanes, inlet and outlet screens, filters, and gaskets, plastic and steel fasteners, plastic and steel pipes, ball bearings, rotors, stators, check valves, gate valves, high water level switches, high water level alarms
Electrical and Scientific Apparatus