Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673619 | Rotary stencil printer with a firming fold application means | Yoshiharu Ohinata | 1997-10-07 |
| 5671670 | Stencil printer having a construction for preventing ink leakage | Yasuhiro Takahashi | 1997-09-30 |
| 5617787 | Process for perforating stencil printing sheet | Yasuo Yamamoto | 1997-04-08 |