Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4548408 | Bonus ball pinball game | — | 1985-10-22 |
| 4448417 | Pinball game with simulated projectile display | George T. Christian | 1984-05-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4548408 | Bonus ball pinball game | — | 1985-10-22 |
| 4448417 | Pinball game with simulated projectile display | George T. Christian | 1984-05-15 |