Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331165 | Ventilated cigarettes | David J. Farrar, Edward G. Preston, Robert E. Williams | 1982-05-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331165 | Ventilated cigarettes | David J. Farrar, Edward G. Preston, Robert E. Williams | 1982-05-25 |