Title:
Apparatus for producing artificial respiration
United States Patent 2169784
Inventors:
Niels, Andersen Anders Christia
Publication Date:
08/15/1939
Export Citation:
Assignee:
Niels, Andersen Anders Christia
Primary Class:
International Classes:
A61H31/00; A61H23/04; A61H31/00; A61H23/04
View Patent Images: