Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989144 | Oscillatory roller transmission | Zhi Quan Chen, Bo Chen | 1999-11-23 |
| 4798104 | Oscillatory tooth and needle gear transmitting devices | Hung-Sheng Wang, Linai Chang | 1989-01-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989144 | Oscillatory roller transmission | Zhi Quan Chen, Bo Chen | 1999-11-23 |
| 4798104 | Oscillatory tooth and needle gear transmitting devices | Hung-Sheng Wang, Linai Chang | 1989-01-17 |