Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745777 | Tobacco filter means superimposedly rechargeably filled with disposable filter units | — | 2004-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745777 | Tobacco filter means superimposedly rechargeably filled with disposable filter units | — | 2004-06-08 |