U.S. federal trademark · Serial No. 72024708 · Reg. No. 0658502
HYDROMETERS, DENSITOMETERS, VISCOMETERS, BALANCES, FILTER TESTERS, SAND CONTENT TESTERS, PH TESTERS, ALKALIMETERS, ION TESTERS, PRESSURE TESTERS, MUD TESTERS, TITRATION APPARATUS, AND LIKE TESTING EQUIPMENT ESPECIALLY ADAPTED FOR TESTING OIL WELL DRILLING MUD, OIL WELL CORES, OIL WELL CUTTINGS, CLAY AND MINERAL SUSPENSIONS AND COMPOSITIONS, AND THE LIKE
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