U.S. federal trademark · Serial No. 79099450 · Reg. No. 4120197
Air purification machines, apparatus and installations; gas purification machines, apparatus and installations; filter cartridges for air purification units; cartridges containing catalyst for air purification units; air purification machines and apparatus containing a catalyst
Inorganic catalysts; catalysts for oxidation reactions; catalysts for oxidizing carbon monoxide gas to carbon dioxide; catalysts comprising gold; catalysts for use in the control of carbon monoxide; catalysts for use in air purification; biochemical and chemical substances for the purification of gases
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