U.S. federal trademark · Serial No. 87506502
Paper, both untreated and treated with chemicals, fibers, and resins, for use in the further manufacture of filters for use in industrial processes, material manufacturing, energy production, engine lubrication, fluid purification, hydraulic fuel and diesel fuel purification, and analytic testing for chemical constituents
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.