| Beginning Bates No. | 401346516 |
|---|---|
| Ending Bates No. | 401346521 |
| Company | British-American Tobacco Company |
| Date | 19801230 |
| Title | United States Patent - Dec. 30, 1980 [Filter Material and a Method of Manufacturing and Using the Same] |
| Type | Patent |
| Authors | Siren, Matti J |
| Thesaurus Terms | Tobacco Leaf Constituent Cigarette Smoke Intellectual Product Filter Design |
| No. of Pages | 6 |