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Respirator mask and valve

  • US 20040261795A1
  • Filed: 06/16/2004
  • Published: 12/30/2004
  • Est. Priority Date: 08/28/2002
  • Status: Abandoned Application
First Claim
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1. A valve comprising:

  • a support member;

    a cover coupled with the support member; and

    a flexible member, the cover having a biasing member that secures the flexible member to the support member.

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