Nasal device
United States Patent 2426161
US Patent References:
Respiratory filter
- - 2256997

/0758030.html
- - 0758030

Nasal appliance
- - 2264153

Nasal inhaler
- - 1508890


Inventors:
Biederman, Joseph B.
Publication Date:
08/26/1947
View Patent Images:
Download PDF 2426161 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Biederman, Joseph B.
Primary Class:
128/204.120
Other Classes:
128/206.110
International Classes:
A61M15/08
Foreign References:
GB138079A