Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860436 | Method of manufacturing a compact switch | Tosio Koizumi, Kiyotada Shibao | 1989-08-29 |
| 4843197 | Bush switch and method of production thereof | Hisano Kojima | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860436 | Method of manufacturing a compact switch | Tosio Koizumi, Kiyotada Shibao | 1989-08-29 |
| 4843197 | Bush switch and method of production thereof | Hisano Kojima | 1989-06-27 |