Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465908 | Hand controller | Gordon H. May, David D. Thornburg | 1984-08-14 |
| 4433217 | Hand controller multiple circuit switch | — | 1984-02-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465908 | Hand controller | Gordon H. May, David D. Thornburg | 1984-08-14 |
| 4433217 | Hand controller multiple circuit switch | — | 1984-02-21 |