Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381277 | Flavoring a cigarette by using a flavored filter plug wrap | Douglas R. Hicks | 2008-06-03 |
| 4649943 | Cigarette filter and method of making the same | — | 1987-03-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381277 | Flavoring a cigarette by using a flavored filter plug wrap | Douglas R. Hicks | 2008-06-03 |
| 4649943 | Cigarette filter and method of making the same | — | 1987-03-17 |