U.S. federal trademark · Serial No. 77813783
Granulated materials, namely, granulated expanded schists, for the packing of biological filters used in water treatment and in odor treatment; Environmental pollution control media made of rubber tire crumbs combined with expanded clay and wood saw dust for phosphorus control in stormwater, urban runoff and other liquid streams; Environmental pollution control media made of rubber tire crumbs combined with sand and wood saw dust for nitrogen control for use with pervious pavements and bio filtration reservoirs
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.