Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689399 | Versatile switching module | Forest Shih-Sen Chien | 1997-11-18 |
| 5621329 | Automatic self-calibration system for digital teraohmmeter | Chun-Chun Chen, Yu-Chuang Lin | 1997-04-15 |