Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849586 | Slip ring having a rotatable insulation cover | Yuichi Ida, Kiichi Yamaguchi | 1989-07-18 |
| 4844359 | Cable reel | — | 1989-07-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849586 | Slip ring having a rotatable insulation cover | Yuichi Ida, Kiichi Yamaguchi | 1989-07-18 |
| 4844359 | Cable reel | — | 1989-07-04 |