Title:
Respiratory assister
United States Patent 3267935


Inventors:
Andreasen, Christian B.
Richter, Harold K.
Stoner, George H.
Application Number:
US10775661A
Publication Date:
08/23/1966
Filing Date:
05/04/1961
Assignee:
AIR SHIELD INC
Primary Class:
Other Classes:
128/204.23
International Classes:
A61M16/00; A61M16/16
View Patent Images:
US Patent References:
3028873Non-rebreathing valve1962-04-10
2972345Respirator1961-02-21
2969789Respirator1961-01-31
2834339Positive pressure breathing apparatus1958-05-13
2774346Respirator1956-12-18
2582210Apparatus for positive respiration during gas anesthesia1952-01-08
2391877Respiration apparatus1946-01-01