A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 17/04 (2006.01)
Patent
CA 2134069
2134069 9419055 PCTABS00033 Breathing apparatus to provide respiratory protection having an outer hood, an inner hood, a reservoir at positive pressure, a breathable gas source and a conveyance means with one way valves in an open circuit system.
Richards Brian John
Stewart John Stewart Simpson
Borden Ladner Gervais Llp
Richards Brian John
Stewart John Stewart Simpson
LandOfFree
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