Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark Johnson0
Date of Patent
September 14, 2010
0Patent Application Number
104534620
Date Filed
June 3, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A swim and skin-dive snorkel for providing positive end-expiratory pressure for pressure-balanced exhalation.
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