U.S. federal trademark · Serial No. 74713589 · Reg. No. 1993291
pH instrumentation, namely pH meters, conductivity meters, combined pH and conductivity meters, pH ORP (Oxygen Reduction Potential) meters, pH controllers, pH transmitters, pH electrodes, pH recorders and pH preamplifiers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.