Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229166 | Cigarette filter rod and method of making same | Michel Grossmann | 1993-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229166 | Cigarette filter rod and method of making same | Michel Grossmann | 1993-07-20 |