1976-12-13
1979-05-22
Recla, Henry J.
Surgery
Truss
Pad
1281463, 1281426, 55274, 252408, A62B 710
Patent
active
041553586
ABSTRACT:
A disposable valveless chemical cartridge respirator for filtration of vinyl chloride monomer having an end of service life indicator is disclosed.
REFERENCES:
patent: 1789262 (1931-01-01), Monro et al.
patent: 2665686 (1954-01-01), Wood et al.
patent: 3615233 (1971-10-01), Doering
patent: 3902485 (1975-09-01), Wallace
patent: 3966440 (1976-06-01), Roberts
Anders Leon W.
Kohler Gunter A.
McAllister Jerome W.
Ord, Jr. James A.
Alexander Cruzan
Minnesota Mining and Manufacturing Company
Okubo Edward T.
Recla Henry J.
Sell Donald M.
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