Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437452 | Roulette bowl having a roulette wheel | Johann Graf | 1995-08-01 |
| D340088 | Centerpiece for a roulette wheel | Johann Graf | 1993-10-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437452 | Roulette bowl having a roulette wheel | Johann Graf | 1995-08-01 |
| D340088 | Centerpiece for a roulette wheel | Johann Graf | 1993-10-05 |