U.S. federal trademark · Serial No. 85170391 · Reg. No. 4154880
Oxygen breathing unit air charging systems comprised of a housing and interlinked pneumatic valves for controlling the filling of self-contained breathing apparatus cylinders for use by firefighters, law enforcement personnel, emergency personnel, hazardous materials personnel, military personnel and industrial personnel
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.