Title:
Tobacco smoke filter
United States Patent 3319630
US Patent References:
/0253296.html
- - 0253296

/1325060.html
- - 1325060

Tobacco smoke purifier
- - 2172946

Filters
- - 3079926


Inventors:
Orrmins, Norman B.
Publication Date:
05/16/1967
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Assignee:
Orrmins, Norman B.
Primary Class:
131/344
Other Classes:
131/342, 131/339
International Classes:
A24D3/14; A24D3/00