Sonant respiration indicator
United States Patent 2376971

Inventors:
Kleit, Morris W.
Publication Date:
05/29/1945
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Assignee:
Kleit, Morris W.
Primary Class:
128/203.250
Other Classes:
137/543.170, 128/207.130, 600/529, 116/137R, 600/538, 137/551
International Classes:
A61M16/06; A61M16/01