Title:
Apparatus for oral anesthesia
United States Patent 2638096
US Patent References:
/1270565.html
- - 1270565
Insufflation apparatus
- - 2269823
Sonant respiration indicator
- - 2376971
Combined safety and sound-producing device for radiators
- - 2455533
/1270565.html
- - 1270565
Insufflation apparatus
- - 2269823
Sonant respiration indicator
- - 2376971
Combined safety and sound-producing device for radiators
- - 2455533
Inventors:
Waldhaus, Edith A.
Publication Date:
05/12/1953
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Assignee:
Waldhaus, Edith A.
Primary Class:
Other Classes:
116/137R, 128/207.140
International Classes:
A61M16/00; A61M16/04