Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348122 | Shift lock and position indicating torsion spring activated key switch | Edward I. Nelson | 1982-09-07 |
| 4301345 | Key switch actuation by torsion spring | — | 1981-11-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348122 | Shift lock and position indicating torsion spring activated key switch | Edward I. Nelson | 1982-09-07 |
| 4301345 | Key switch actuation by torsion spring | — | 1981-11-17 |