US Patent 8573199 Ultrasonic in situ respiratory mask testing process and mask
Patent 8573199 was granted and assigned to Centers for Disease Control and Prevention on November, 2013 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 2, 2011
Date of Patent
November 5, 2013
Patent Application Number
13098980
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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