Title:
Tracheotomy mask
United States Patent 3236236
Inventors:
Hudson, Allan C.
Publication Date:
02/22/1966
Export Citation:
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Assignee:
HUDSON OXYGEN THERAPY SALES CO
Primary Class:
128/207.17
Other Classes:
128/912
International Classes:
A61M16/04; A61M16/04
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US Patent References:
3042035Mask
2989960Adapter fitting for anesthetic administering circuits
2860633Compound swivel adaptor and coupling for anesthesia
2254854Anesthetic administering device
1840112Artificial larynx
1139850N/A
Foreign References:
AT79647B
DE956022C