Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536082 | Game playfield mounting system | Peter J. Piotrowski, Carl Biagi | 1996-07-16 |
| 5415403 | Magnetic ball lock for a pinball game | Carl Biagi | 1995-05-16 |
| 5350174 | Below the playfield ball delivery system for a pinball game | Carl Biagi | 1994-09-27 |
| 5186462 | Oscillating ball cannon | Carl Biagi, Dwight Sullivan | 1993-02-16 |