Title:
Flow control unit for portable inhalators
United States Patent 3043302


Inventors:
Spears, Earl M.
Ann, Arbor
Waldo, Papsdorf
Application Number:
US73398758A
Publication Date:
07/10/1962
Filing Date:
05/08/1958
Assignee:
OXY GEAR INC
Primary Class:
Other Classes:
128/205.25, 137/505.42
International Classes:
A61M16/00
View Patent Images:
US Patent References:
2866456Portable inhalator1958-12-30
2785674Oxygen mask1957-03-19
2764996Multiple range pressure regulator1956-10-02
1877938Pressure reducing or relief valve1932-09-20