Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8136696 | Lottery ticket machine able to prevent tickets from being illegally drawn out | Hui-Jin Tong | 2012-03-20 |
| 7922038 | Lottery ticket machine having function of preventing tickets from being illegally drawn out | — | 2011-04-12 |