Title:
Anesthesia apparatus
United States Patent 2641253


Inventors:
Engelder, Arthur E.
Application Number:
US24065751A
Publication Date:
06/09/1953
Filing Date:
08/07/1951
Assignee:
Engelder, Arthur E.
Primary Class:
Other Classes:
128/203.29, 222/5, D24/110.4
International Classes:
A61M16/06; A61M16/01
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US Patent References:
Foreign References:
GB107990A1917-07-26
GB494173A1938-10-21