Title:
Smoke filter and smoking devices formed therewith
United States Patent 3217715
US Patent References:
/0665375.html
- - 0665375
Absorbent briquette
- - 1966553
Smoking pipe and method of making same
- - 2373296
Filtration media
- - 3015367
Method of making a tobacco smoke filter
- - 3039908
/0665375.html
- - 0665375
Absorbent briquette
- - 1966553
Smoking pipe and method of making same
- - 2373296
Filtration media
- - 3015367
Method of making a tobacco smoke filter
- - 3039908
Inventors:
Berger, Richard M.
Sproull, Reavis C.
Sproull, Reavis C.
Publication Date:
11/16/1965
View Patent Images:
Export Citation:
Assignee:
AMERICAN FILTRONA CORP
Primary Class:
Other Classes:
131/334, 131/343, 131/207, 131/200, 96/135
International Classes:
A24D3/08; A24D3/16; A24D3/00
US Patent References:
Foreign References:
| FR1110463A |