US Patent D659835 Spirometer airway
Patent D659835 was granted and assigned to Benson Medical Instruments Co. on May, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 4, 2011
0
Date of Patent
May 15, 2012
0
Patent Application Number
29388929
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Patent Inventor Names
Stephen Benson
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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