Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4297540 | Interlocking gang push-button switch | Ryoji Kinugawa | 1981-10-27 |
| 4260866 | Remote operation device | Hitoshi Fujino | 1981-04-07 |
| 4249053 | Push button switch | — | 1981-02-03 |