A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
137/1.5
A62B 7/08 (2006.01) A62B 7/14 (2006.01) A62B 17/04 (2006.01) A62B 19/02 (2006.01)
Patent
CA 1276857
Decompression and Toxic Fume Protection Apparatus Abstract of the Disclosure Decompression and toxic fume protection apparatus comprising an inner chamber adapted to surround the head of the wearer, an inflatable and concentric outer chamber, a gas reservoir, means for removal of carbon dioxide and passageways for the circulation of gas through the apparatus.
503480
Bull Housser & Tupper Llp
Du Pont de Nemours E.i.
Werjefelt Bertil
Xenex Corporation And Xenex Systems Limited Parnership I.
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