U.S. federal trademark · Serial No. 85978986 · Reg. No. 4372706
installation, maintenance, and repair of pollution control equipment; building construction and repair services related to pollution control systems
emissions control testing, namely, testing of boiler emissions for the presence of pollutants; pollution and environmental control services, namely, design of air pollution and emissions control systems for others
treatment of materials for pollution control, namely, application of additives and other treatment of boilers, coal, carbon, and flue gas
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