Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339292 | Method for producing a reinforced, double-faced corrugated board | Yoji Yoshida | 1982-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339292 | Method for producing a reinforced, double-faced corrugated board | Yoji Yoshida | 1982-07-13 |