Surgery – Respiratory method or device – Draw-type snorkel
Patent
1990-07-23
1991-07-02
Burr, Edgar S.
Surgery
Respiratory method or device
Draw-type snorkel
12820029, B63C 1116
Patent
active
050278053
ABSTRACT:
A snorkel assembly of this invention includes a face mask and an elongated flexible air pipe having one end connected to the face mask. A floating body is connected to the other end of the air pipe to expose the other end to the atmosphere.
REFERENCES:
patent: 908690 (1909-01-01), Neubert
patent: 4022201 (1977-05-01), Diggs
Burr Edgar S.
Funk Stephen R.
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