Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821396 | Method of manufacturing separable slide fasteners | Keiichi Yoshieda, Yuusei Sassa, Kunio Miyazaki | 1989-04-18 |
| 4819318 | Method of attaching parts of separable bottom end assembly to a continuous slide fastener chain | — | 1989-04-11 |
| 4795072 | Button orienting and placing apparatus | — | 1989-01-03 |