Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047968 | Electronic dart board | Ching-Tai Yen | 2000-04-11 |
| 5967915 | Dart | Ching-Tai Yen | 1999-10-19 |
| 5718433 | Central score block structure for electronic dart games | Ching-Tai Yen | 1998-02-17 |
| 5531450 | Dart board mounting structure | Chin-Huang Peng | 1996-07-02 |
| 5518250 | Dart board assembly | Chin-Huang Peng | 1996-05-21 |