Chemicals Trademarks Filed in June 10, 1925
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
CARDOXIDE
Filed: June 10, 1925
CHEMICAL MATERIALS FOR REMOVING CARBON DIOXIDE FROM AIR OR OTHER GASES
Owned by: MINE SAFETY APPLIANCES COMPANY
Serial Number: 71215583
