Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669298 | Stencil printer having ink leakage preventing construction | Hideo Negishi | 1997-09-23 |
| 5660107 | Stencil printing drum with friction reducing means | Yasuhiro Takahashi, Hideo Negishi | 1997-08-26 |
| 5613437 | Mimeographic printing machine having a stencil paper conveying device | Yoshikazu Hara | 1997-03-25 |