Title:
Tobacco smoke filtering elements
United States Patent 2904050
Inventors:
Kiefer, John E.
Touey, George P.
Publication Date:
09/15/1959
Assignee:
EASTMAN KODAK CO
International Classes:
A24D3/10; A24D3/14; A24D3/00
US Patent References:
| 2171770 | Cigarette tip | | | |
| 2207156 | Artificial bristle and method of making same | | | |
| 2558855 | Rod comprising bonded fibrous material and method of making same | | | |
| 2688380 | Filter cartridge | | | |
| 2707308 | Method of making a filter element | | | |
| 2721820 | Method of making rods | | | |
| 2751320 | Method of continuous production of rods, tubes, and the like | | | |
| 2774680 | Process for making aerosol filters | | | |
| 2789563 | Filter elements | | | |