Tobacco smoke filters
United States Patent 2881772
US Patent References:
Tobacco smoke purifier
- - 2172946
Smoke filter of fibrous material, especially for tobacco products
- - 2763267
Tobacco smoke purifier
- - 2172946
Smoke filter of fibrous material, especially for tobacco products
- - 2763267
Inventors:
Touey, George P.
Kiefer, John E.
Caldwell, John R.
Kiefer, John E.
Caldwell, John R.
Publication Date:
04/14/1959
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Export Citation:
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
131/334, 131/342
International Classes:
A24D3/14; A24D3/00
Foreign References:
| GB717029A |