Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618620 | Filter rod for filtering the smoke of a cigarette | Masaharu Takegawa | 1997-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618620 | Filter rod for filtering the smoke of a cigarette | Masaharu Takegawa | 1997-04-08 |