Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148987 | Coin identification apparatus | Donald R. Bernier, Richard O. Juengel | 2000-11-21 |
| 6015037 | Coin identification apparatus | Donald R. Bernier, Richard O. Juengel | 2000-01-18 |
| 5986564 | Microcomputer controlled locking system | — | 1999-11-16 |
| 5799768 | Coin identification apparatus | Donald R. Bernier, Richard O. Juengel | 1998-09-01 |