Chest respirator
United States Patent 2707948
US Patent References:
Apparatus for producing artificial breathing or respiration
- - 2065982
Apparatus for producing artificial respiration
- - 2223570
Respirator
- - 2309470
Apparatus for producing artificial breathing or respiration
- - 2065982
Apparatus for producing artificial respiration
- - 2223570
Respirator
- - 2309470
Inventors:
Emerson, John H.
Publication Date:
05/10/1955
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Assignee:
Emerson, John H.
Primary Class:
International Classes:
A61H31/02; A61H31/00