U.S. federal trademark · Serial No. 98727366 · Reg. No. 7808534
technical consultation in the field of engineering services, namely particle measurements, contamination control, and filtration design and testing, design for others in the field of particulate matter and contamination control engineering, designing and testing of particle filters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.