Number | Name | Date | Kind |
---|---|---|---|
RE30782 | Van Turnhout | Oct 1981 | |
RE321717 | Van Turnhout | Jun 1986 | |
2206061 | Splaine | Jul 1940 | |
2220374 | Lewis | Nov 1940 | |
2227959 | Cover | Jan 1941 | |
2295119 | Malcom et al. | Sep 1942 | |
2320770 | Cover | Jun 1943 | |
3316904 | Wall et al. | May 1967 | |
3782083 | Rosenberg | Jan 1974 | |
3803817 | Lewis | Apr 1974 | |
3971373 | Braun | Jul 1976 | |
4011067 | Carey, Jr. | Mar 1977 | |
4133309 | Kohler et al. | Jan 1979 | |
4133656 | Kippel et al. | Jan 1979 | |
4141703 | Mulchi | Feb 1979 | |
4215682 | Kubik et al. | Aug 1980 | |
4382440 | Kapp et al. | May 1983 | |
4386948 | Choksi et al. | Jun 1983 | |
4414973 | Matheson et al. | Nov 1983 | |
4501272 | Shigematsu et al. | Feb 1985 | |
4543112 | Ackley et al. | Sep 1985 | |
4572178 | Takase et al. | Feb 1986 | |
4583535 | Saffo | Apr 1986 | |
4714486 | Silverthorn | Dec 1987 | |
4754751 | Mausteller et al. | Jul 1988 | |
4883052 | Weiss et al. | Nov 1989 |
Number | Date | Country |
---|---|---|
0197941 | Oct 1986 | EPX |
470850 | Sep 1937 | GBX |
573951 | Dec 1945 | GBX |
1041394 | Sep 1966 | GBX |
Entry |
---|
DIN 3181 Part 2, "Atemfilter fur Atemschultzgerate", (Mar. 1980). |
BS 2090 "Respirators for Protection Against Harmful Dusts and Gases", (1969). |
BS 4555 "High Efficiency Dust Respirators", (1970). |
20 CFR 11 Subpart K, Sect. 11.130-11.140-12, (1987). |
30 CFR 11 Subpart K, sect. 11.140-4, (1987). |
30 CRF 11 Subpart K, 11.140-9, (1987). |
30 CFR 11 Subpart K, 11.140-11, (1987). |
30 CFR 11 Subpart K, 11.140-6, (1987). |
Military Specification, "Filter Element Set, Chemical-Biological Mask, M13A2", MIL-F-51425A(EA), 10 Sep. 1986. |
Number | Date | Country | |
---|---|---|---|
Parent | 195029 | May 1988 |