Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542571 | Dispensing/vending machine and method with double dispensing protection | — | 1996-08-06 |
| 5476190 | Dispensing/vending machine and method with lockable, portable dispensing chutes | Herbert Herrmann, Michael Brown | 1995-12-19 |