Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972856 | Cigarette filter suitable for being fitted in a cigarette | — | 1990-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972856 | Cigarette filter suitable for being fitted in a cigarette | — | 1990-11-27 |