Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126136 | Passive vibration isolating system | Kelson Yen | 2000-10-03 |
| 6021992 | Passive vibration isolating system | Kelson Yen | 2000-02-08 |
| 5724893 | Servo-type shaking table assembly | Chao-Hsi Cheng, Kelson Yen | 1998-03-10 |
| 5544451 | Vibration suppression device for a structure | Chao-Hsi Cheng | 1996-08-13 |