Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673239 | Clock movement power transmission union | Chen-Sheng Wong, Shen-Yuan Chien, Shern Lin | 1997-09-30 |
| 5524102 | Global timepiece | Yi-Yen Liao, Jaw-Horng Tzeng, June-Sheng Weng | 1996-06-04 |