U.S. federal trademark · Serial No. 85478912 · Reg. No. 2582211
Installations and apparatus for the treatment and purification of water, waste water, and/or sewage, all involving the use of submergeable filter elements; parts and fittings therefor; water filter for the treatment and purification of water, waste water, and/or sewage; water filters suitable for use in the aforesaid installations and apparatus; installations and apparatus for the treatment and purification of water, waste water, and/or sewage, namely, particulate filtering media suitable for use in the aforesaid installations and apparatus, filtering beads suitable for use in the aforesaid installations and apparatus, filtering plastics beads suitable for use in the aforesaid installations and apparatus, particulate supports for micro-organisms and suitable for use in the aforesaid installations and apparatus and particulate plastics supports for micro-organisms and suitable for use in the aforesaid installations and apparatus
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