Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861327 | Zigzag folding apparatus for a form printing machine | Akinobu Hanyu | 1989-08-29 |
| 4813922 | Zigzag folding apparatus for a form printing machine | Fujio Kawana, Tadayuki Yoneki | 1989-03-21 |