U.S. federal trademark · Serial No. 85557746 · Reg. No. 4179553
filter media made of polyvinyl chloride for use in the treatment of waste water; submerged waste water treatment system comprising filtering media, restraint system, air diffusers and a field-adjustable base support system for filter media
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.