Title:
Fibrous tobacco smoke filter
United States Patent 2815761
US Patent References:
Filter cartridge
- - 2688380

Method of making a filter element
- - 2707308


Inventors:
Shearer Jr., Newton H.
Publication Date:
12/10/1957
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Assignee:
EASTMAN KODAK CO
Primary Class:
131/332
Other Classes:
131/334, 131/342, 502/402
International Classes:
A24D3/14; A24D3/00