U.S. federal trademark · Serial No. 74722217
graphite packing used for sealing pump shafts or rods to seal liquids or gasses within a pressurized device such as an industrial fluid transportation system, used primarily with waste water in the pulp and paper, mining, food processing, power generation, chemical processing, refining and petrochemical industries
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.