Title:
Disposable breather mask
United States Patent 2848994


Inventors:
Edward, Aguado
Application Number:
US54538255A
Publication Date:
08/26/1958
Filing Date:
11/07/1955
Assignee:
Edward, Aguado
Primary Class:
Other Classes:
128/205.17, 128/207.12, D24/110.4
International Classes:
A61M16/06
View Patent Images:
US Patent References:
2675803N/A1954-04-20
2505173Respirator1950-04-25
2378929Respirator1945-06-26
1287149N/A1918-12-10
1202877N/A1916-10-31
Foreign References:
GB190520673A