U.S. federal trademark · Serial No. 74171339 · Reg. No. 150852
gas filters and air units for filtering and purifying dust and smoke laden gas; namely, air filters and air filtering units for extracting airborne solids deriving from welding, brazing, soldering, blasting and grinding apparatus
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.