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Surgical face mask

  • US 5,561,863 A
  • Filed: 10/04/1994
  • Issued: 10/08/1996
  • Est. Priority Date: 10/04/1994
  • Status: Expired due to Fees
First Claim
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1. A face mask comprising:

  • at least two fibrous porous portions separated by and secured to a film see-through portion, wherein the film see-through portion is formed from a pair of spaced apart flexible films.

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  • 2 Assignments
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