![]() Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ![]() Junck Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related, expires Application number US10/988,888 Other versions US20060102176A1 Google Patents Low physiological deadspace snorkelÄownload PDF Info Publication number US7621268B2 US7621268B2 US10/988,888 US98888804A US7621268B2 US 7621268 B2 US7621268 B2 US 7621268B2 US 98888804 A US98888804 A US 98888804A US 7621268 B2 US7621268 B2 US 7621268B2 Authority US United States Prior art keywords tube exhalation mouthpiece check valve valve Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7621268B2 - Low physiological deadspace snorkel US7621268B2 - Low physiological deadspace snorkel
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