Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12407504 | Link safety guarantee | Jeffrey Wolfeld, HanCheng Hsiung | 2025-09-02 |
| 7350515 | Ball feeder for ball serving machine | Lin Yao | 2008-04-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12407504 | Link safety guarantee | Jeffrey Wolfeld, HanCheng Hsiung | 2025-09-02 |
| 7350515 | Ball feeder for ball serving machine | Lin Yao | 2008-04-01 |