Surgery – Respiratory method or device – Means for keeping viewing member clear
Patent
1990-01-16
1991-02-05
Steinberger, Brian S.
Surgery
Respiratory method or device
Means for keeping viewing member clear
12820119, 12820122, A62B 1808
Patent
active
H00008834
ABSTRACT:
A protective mask is provided, which contains the eyes, nose and mouth, crising a protruding lens so as to provide increased peripheral vision and preferably a nose cup which is shaped to provide a channel for passing defogging air to the lens, and peripheral areas of the mask which fold inward to form the seal.
Little Malcolm E.
McCullough William W.
Wagner Robert P.
Goldberg Edward
Lane Anthony T.
Sachs Michael C.
Steinberger Brian S.
The United States of America as represented by the Secretary of
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