U.S. federal trademark · Serial No. 79156819 · Reg. No. 4834128
Rings of plastic for use as pipe connection seals to seal, protect, preserve grease and prevent the thread, threaded joint and connection of tubings and pipes from flushing and corrosion erosion-leakage
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.