Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867734 | Apparatus for manufacturing dual filter plugs for cigarettes and method of manufacturing the same | Yutaka Okumoto, Toyomi Arakawa | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867734 | Apparatus for manufacturing dual filter plugs for cigarettes and method of manufacturing the same | Yutaka Okumoto, Toyomi Arakawa | 1989-09-19 |