U.S. federal trademark · Serial No. 78267019 · Reg. No. 3042476
passive vapor phase biological air treatment system that removes airborne odorous compounds from wastewater treatment facilities, such system comprised of a multistage process contained within one or more vessels that shall be filled with media which supports a biological colony capable of eliminating odorous compounds and shall include ancillary equipment to provide for air movement, water addition and water recirculation
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