Patent US737591 - SANITARY FACE-SHIELD

Patents

Inventors: ELLEN DEMPSEY, ELLEN DEMPSEY
Current U.S. Classification: 128/206.12

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Citing Patent	Filing date	Issue date	Original Assignee	Title
US6123082	3 Oct 1997	26 Sep 2000	ResMed Limited	Device for preventing or reducing the passage of air through the mouth
USD421117	7 Apr 1998	22 Feb 2000		Surface pattern for a nose and mouth air-filtering mask