Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181722 | Movable optical target bank for a rolling ball game | John R. Krutsch | 1993-01-26 |
| 5158291 | Ball accelerator for rolling ball games | Carl Biagi, Charles R. Bleich, Walter E. Smolucha | 1992-10-27 |