U.S. federal trademark · Serial No. 74389873 · Reg. No. 124407
water treatment installations; namely, waste-water treatment units and wastewater sludge treatment units; industrial and commercial air cleaning and filtering apparatus; namely, air filtration units
research and consultation in the field of air and water quality and purification
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.