Title:
Quick donning mask assembly
United States Patent 2928387


Inventors:
Layne, Thomas J.
Application Number:
US75966658A
Publication Date:
03/15/1960
Filing Date:
09/08/1958
Assignee:
SIERRA ENG CO
Primary Class:
Other Classes:
128/206.27, 128/207.11
International Classes:
A61M16/06; A62B18/08; A61M16/01
View Patent Images:
US Patent References:
2353643Head harness for masks1944-07-18