74473287
Dec 27, 1993
Feb 20, 1996
Active Trademark
industrial air pollution control devices and dust collectors for ventilation, comminutating and drying, filtration and separation of solids from air or gas, and accessories therefor, namely airlocks, fans, slide gates, filter bags, header pipes, blowtubes, solenoid valves, broken bag detectors and hopper discharge devices, namely double dump valves, single dump valves, slide gates and conveyor systems, sold as a unit
Environmental Control Apparatus