Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955967 | Electronically scored dart game with missed dart detection system | John W. Houriet, Jr. | 1990-09-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955967 | Electronically scored dart game with missed dart detection system | John W. Houriet, Jr. | 1990-09-11 |