Wet filter-containing smoker's appliance
United States Patent 3313309
Publication Date:
04/11/1967
Other Classes:
131/210, 96/131, 131/207, 55/485, 131/173
International Classes:
A24F13/06; A24F13/00
US Patent References:
| 2796869 | Tobacco filter | | | |
| 3006346 | Filters for cigarettes and cigars and method of manufacturing same | | | |