U.S. federal trademark · Serial No. 71648284 · Reg. No. 0611772
CONSTANT TEMPERATURE CIRCULATORS FOR MAINTAINING LIQUID BATHS AND CIRCULATING LIQUIDS AT A CONSTANT TEMPERATURE, WARBURG APPARATUSES, MANOMETERS, THERMOMETERS, PIPETTING DEVICES, REACTION FLASKS, SYRINGES, LABORATORY GLASSWARE, ELECTRIC TIMING DEVICES
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