31 WATER TREATMENT EQUIPMENT-NAMELY, WATER CONDITIONERS, SOFTENERS, FILTERS, CHEMICAL FEEDERS, AND AERATORS AND PARTS THEREFOR
FIRST USE SEPTEMBER 16, 1938 AS TO "MIRACLE" IN COMMERCE SEPTEMBER 16, 1938 AS TO "MIRACLE" FIRST USE SEPTEMBER 16, 1938 AS TO "MIRACLE" IN COMMERCE SEPTEMBER 16, 1938 AS TO "MIRACLE"