U.S. federal trademark · Serial No. 77755525 · Reg. No. 3754114
check valves for the municipal and industrial water and waste water industry, namely, inline check valves which prevent backflow of water and waste water drawn from wells, lakes, reservoirs, storm overflows, and elevated water tanks
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.