U.S. federal trademark · Serial No. 74293903 · Reg. No. 1758205
various forms of mechanical machinery related to water conditioning; namely, vacuum diatomaceous earth package filter units, pressure diatomaceous earth package filter units, rapid sand filters, filter body feeders related to the movement or removal of foreign matter, minerals and bacteria in public or private swimming water supplies or where any water of high quality is required
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.