Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639089 | Bingo game machine having a rotatable roulette unit which catches balls for randomly selecting bingo signs | Kusuo Matsumoto | 1997-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639089 | Bingo game machine having a rotatable roulette unit which catches balls for randomly selecting bingo signs | Kusuo Matsumoto | 1997-06-17 |