Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
Patent
1991-07-19
1994-03-08
Burr, Edgar S.
Surgery
Respiratory method or device
Including body or head supported means covering user's scalp
12820124, 12820624, A62B 1704
Patent
active
052918807
ABSTRACT:
In combination, a protective helmet including an outer shell and an inner impact shell, a protective facepiece, and interconnecting members for mounting the facepiece to the inner impact shell and for placing the facepiece into sealing engagement with the face of a wearer of the helmet.
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Almovist Hans O.
Drummond Ian
Huey Benjamin
Kjellberg Bengt
Stevens, Jr. Raymond E.
Burr Edgar S.
Cairns & Brother Inc.
Lewis Aaron J.
Rhodes, Jr. R. Gale
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