U.S. federal trademark · Serial No. 79065450 · Reg. No. 3715516
Refuge chambers in the nature of metal shelters for providing temporary life supporting closed environments; and parts and fittings therefor
Air purifying apparatus for supplying breathable air for refuge chambers; gas scrubbing apparatus including CO scrubbers and CO2 scrubbers; air purifying apparatus and machines; and parts and fittings for the aforesaid goods
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.