Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705222 | Dual registration control system | Ronald J. Norman | 2004-03-16 |
| 4592443 | Sobriety interlock | — | 1986-06-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705222 | Dual registration control system | Ronald J. Norman | 2004-03-16 |
| 4592443 | Sobriety interlock | — | 1986-06-03 |