Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867734 | Apparatus for manufacturing dual filter plugs for cigarettes and method of manufacturing the same | Toyomi Arakawa, Mamoru Katoh | 1989-09-19 |
| 4860773 | Perforating apparatus for rod-shaped objects | Takao Furukawa | 1989-08-29 |
| 4836221 | Device for controlling contents of tobacco on cigarette manufacturing machine | — | 1989-06-06 |