Filtering means for air supply devices
United States Patent 2577606
US Patent References:
/0767859.html
- - 0767859
Conditioner for air line respirators
- - 2010424
Filter type respirator
- - 2102037
Fluid mixing device
- - 2316832
/0767859.html
- - 0767859
Conditioner for air line respirators
- - 2010424
Filter type respirator
- - 2102037
Fluid mixing device
- - 2316832
Inventors:
Conley, Thomas A.
Publication Date:
12/04/1951
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Export Citation:
Assignee:
AMERICAN OPTICAL CORP
Primary Class:
Other Classes:
55/512, 55/507, 128/205.290, 55/503, 55/DIG.035
International Classes:
A62B23/02; A62B23/00