U.S. federal trademark · Serial No. 88256221 · Reg. No. 5849498
Air quality measurement apparatus, namely, particle counters; Densimeters; Microscopes; Phototelegraphy apparatus; Precision balances; Prisms for optics purposes; Road signs, luminous or mechanical; Semi-conductors; Slide-rules; Optical character recognition apparatus
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.