U.S. federal trademark · Serial No. 73698694 · Reg. No. 1496688
DIAPHRAGM EXPANSION TANK, THERMAL STORAGE EXPANSION TANK, WATER AIR VENT, ISOCHECK, AIR SCOOP, WATER HAMMER ARRESTOR, AND WATER SHOCK SUPRESSOR, ALL OF THESE GOODS ARE USED IN CONNECTION WITH RESIDENTIAL HOT WATER HEATING AND STORAGE
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