Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
Reexamination Certificate
2005-04-05
2005-04-05
Lewis, Aaron J. (Department: 3743)
Surgery
Respiratory method or device
Including body or head supported means covering user's scalp
C128S205270, C128S206170, C055SDIG003, C055SDIG003
Reexamination Certificate
active
06874499
ABSTRACT:
A filter cartridge (5), suitable for attachment to a respiratory mask, has a housing that includes an air inlet (27), an air outlet (39), and filter material (17, 19) through which air to be filtered travels through when passing from the inlet to the outlet. At least part of the housing includes a sheet material (23) that is thermo-formed around the sides of the filter material.
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Conlan Audra A.
Cormack Brian
Curran Desmond T.
Henderson Christopher P.
Viner Andrew S.
3M Innovative Properties Company
Hanson Karl G.
Lewis Aaron J.
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