U.S. federal trademark · Serial No. 77573804 · Reg. No. 3790913
A device, namely, a supplemental catalytic converter, placed after the main catalytic converter, either before or after the muffler up to the end of the tail pipe, of a vehicle to reduce emissions an additional amount
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.