74103629
Oct 9, 1990
Dec 24, 1991
plumbing fittings; namely, manual metal backwater valves, plumbing carriers, cleanouts, downspout nozzles, expansion joints, floor drains, gutter drains, hydrants, interceptors, promenade drains, sanitary floor sinks, rubber shock absorbing washers, roof drains, traps, trench drains, and vent caps
Environmental Control Apparatus