U.S. federal trademark · Serial No. 86175533
Apparatus for disinfecting water; Hot-air space heating apparatus; Purification installations for sewage; Sanitary installations in the nature of steam rooms; Water filtering apparatus; Water purification installations; Water purifying apparatus; Water softening apparatus and installations; Water sterilizers; Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water
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