U.S. federal trademark · Serial No. 50074445
Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Diesel-engine exhaust test instruments; Oxygen (O2) sensors for vehicular exhaust systems; Nitrogen oxide (NOx) sensors for vehicular exhaust systems; Exhaust gas temperature (EGT) sensors; Particulate matter (PM) sensors; Pressure sensors for vehicular exhaust systems
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.