Title:
Respiratory device
United States Patent 2599521
US Patent References:
/1270565.html
- - 1270565

Method and apparatus for making strip rubber
- - 1661069

Expansible respiratory airway
- - 2127215


Inventors:
Berman, Robert A.
Publication Date:
06/03/1952
View Patent Images:
Download PDF 2599521 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Berman, Robert A.
Primary Class:
128/207.140
International Classes:
A61M16/04
Foreign References:
GB105038A