04998529 is referenced by 8 patents and cites 11 patents.

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.

Title
Decompression and toxic fume protection apparatus
Application Number
11653
Publication Number
4998529
Application Date
September 27, 1989
Publication Date
March 12, 1991
Inventor
Bertil Werjefelt
Kailua
HI, US
Agent
Shlesinger & Myers
Assignee
Xenex Systems Partnership I
HI, US
Xenex Corporation
HI, US
IPC
A62B 18/08
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