MINE SAFETY APPLIANCES COMPANY Trademarks
CARBOGEN
Filed: June 10, 1925
MIXTURES OF OXYGEN AND CARBON DIOXIDE FOR TREATING ASPHYXIA FROM CARBON MONOXIDE, ALCOHOLIC INTOXICATION, DEETHERIZATION…
Owned by: MINE SAFETY APPLIANCES COMPANY
Serial Number: 71215580
HOPCALITE
Filed: June 10, 1925
CHEMICAL MATERIALS FOR USE AS A CATALYST
Owned by: MINE SAFETY APPLIANCES COMPANY
Serial Number: 71215581
MSA SELF-RESCUER
Filed: June 13, 1941
BREATHING APPARATUS FOR AFFORDING RESPIRATORY PROTECTION IN UNBREATHABLE ATMOSPHERES
Owned by: MINE SAFETY APPLIANCES COMPANY
Serial Number: 71444510
