Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454562 | Keyswitch with telescoping plunger | Robert D. Bush | 1984-06-12 |
| 4453198 | Linear feel keyswitch with hysteresis | Robert D. Bush | 1984-06-05 |
| 4433225 | Keytop levelling mechanism | — | 1984-02-21 |