U.S. federal trademark · Serial No. 77869507 · Reg. No. 3813739
Hot water storage tanks in geothermal applications; hot water storage tanks with internal heat exchanger in geothermal applications; hot water storage tanks with internal heat exchanger and electrical backup element in geothermal applications
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.