Respirator mask and valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Dec 30, 2004
app pub date -
Jun 16, 2004
filing date -
Aug 28, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A valve has a support member, a cover coupled with the support member, and a flexible member. The cover has a biasing member that secures the flexible member to the support member.
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