Title:
Tracheotomy mask
United States Patent 3236236


Inventors:
Hudson, Allan C.
Application Number:
US25790063A
Publication Date:
02/22/1966
Filing Date:
02/12/1963
Assignee:
HUDSON OXYGEN THERAPY SALES CO
Primary Class:
Other Classes:
128/912
International Classes:
A61M16/04
View Patent Images:
US Patent References:
3042035Mask1962-07-03
2989960Adapter fitting for anesthetic administering circuits1961-06-27
2860633Compound swivel adaptor and coupling for anesthesia1958-11-18
2254854Anesthetic administering device1941-09-02
1840112Artificial larynx1932-01-05
1139850N/A1915-05-18
Foreign References:
AT79647B1919-12-29
DE956022C1957-01-10