U.S. federal trademark · Serial No. 86696896 · Reg. No. 4940471
Heavy duty dust collection and control equipment, namely, trailer and skid mounted dust control machines powered by engines of at least 25 horsepower for use in commercial, industrial, mining, and oil and gas production settings to control dust, silica sand and other airborne particulate materials and discharge such materials into a truck, waste receptacle or other container, for use in roofing, painting, sandblasting and hydraulic fracturing applications, and replacement parts and attachments therefor, namely, hoses, nozzles, couplings, filters, screens, timers and wear plates
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