Title:
Appliance for the production and administration of gas vapor mixtures
United States Patent 2499734
Inventors:
William, Edmondson
Wilfred, Jones
Publication Date:
03/07/1950
Export Citation:
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Assignee:
William, Edmondson
Wilfred, Jones
Primary Class:
128/203.25
Other Classes:
128/204.13
International Classes:
A61M16/18; A61M16/10
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US Patent References:
2206688Vaporizer