Electrical and scientific apparatus Trademarks Filed in May 3, 1954
DUSTFOE
Filed: May 3, 1954
FILTER TYPE INDUSTRIAL RESPIRATORS FOR PREVENTING DELETERIOUS IMPURITIES IN THE AIR FROM BEING BREATHED BY THE WEARER, AND…
Owned by: MINE SAFETY APPLIANCES COMPANY
Serial Number: 71665619
GASFOE
Filed: May 3, 1954
CHEMICAL CARTRIDGE TYPE INDUSTRIAL RESPIRATORS FOR PREVENTING DELETERIOUS GASES IN THE AIR FROM BEING BREATHED BY THE WEARER…
Owned by: B. F. MCDONALD-COMPANY
Serial Number: 71665620
DYNASEAL
Filed: May 3, 1954
INSULATED ELECTRIC WIRE
Owned by: WHITNEY BLAKE COMPANY, THE
Serial Number: 71665667
