U.S. federal trademark · Serial No. 75108113 · Reg. No. 39549467
exhaust manifolds for internal combustion engines; catalytic exhaust gas converters for engines; thermal exhaust manifold reactors for engines; electric heating resistors for heating exhaust gas, fuel-burning burners for heating exhaust gas; exhaust gas pipes for engines; exhaust manifolds for engines particularly of sheet metal, exhaust mufflers; intake mufflers; mufflers for gas lines; diaphragm pressure cells for adjusting the damping characteristics of mufflers; valves being parts of mufflers, valve heads for engines, valve seats for engines
research and development in the fields of sound absorption and waste gas purification for third parties
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.