U.S. federal trademark · Serial No. 87420951 · Reg. No. 5382519
Rings of rubber for use as pipe connection seals; Non-metal Seals for use in vacuum containers; Clack valves of rubber for use in vacuum container; Pipe Gaskets; Joint packings for use with Vacuum pipes; Valves of india-rubber or vulcanized fiber; Watertight rings for plumbing pipes; Sealant compounds for joints; Washers of rubber or vulcanized fiber
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.