Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699812 | Smoking product | George E. Ayres, Gary Black, Jacques Daoust | 1997-12-23 |
| 5657894 | Closure device for a container | — | 1997-08-19 |
| 5638833 | Cigarette smoke filter system | Stanislav M. Snaidr | 1997-06-17 |