Title:
Respiratory masks
United States Patent 3092105


Inventors:
Escott, Gabb John
Application Number:
US2650560A
Publication Date:
06/04/1963
Filing Date:
05/03/1960
Assignee:
AIRMED LTD
Primary Class:
Other Classes:
128/201.23, 128/207.11
International Classes:
A62B18/08
View Patent Images:
US Patent References:
2942602Breathing mask apparatus1960-06-28
2814293Respiratory masks1957-11-26
2176709Head harness for breathing apparatus1939-10-17