U.S. federal trademark · Serial No. 72302159 · Reg. No. 0885874
HEAT EXCHANGERS AND ESPECIALLY OIL COOLERS WHICH COOL OILS USED IN POWERING HYDRAULIC MACHINERY, EQUIPMENT AND DEVICES; IN LUBRICATING VARIOUS MECHANISMS;[ IN COOLING TRANSFORMERS; IN QUENCHING BATHS; ] AND IN OTHER ENVIRONMENTS IN WHICH HEAT IS TO BE REMOVED FROM AN OIL
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