Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158290 | Electronic variable target value indicator located on the playfield of a pinball machine | Robert J. Wilson | 1992-10-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158290 | Electronic variable target value indicator located on the playfield of a pinball machine | Robert J. Wilson | 1992-10-27 |