Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8551310 | Method for making a nano-composite gas sensor | Li Wang, Shang-Ren Yang, Cheng-Long Ho, Han-Wen Kuo, Kea-Tiong Tang | 2013-10-08 |
| 5058613 | One hand operated umbrella capable of self-closing | Yun c. Pon | 1991-10-22 |
| 4825888 | Manual/automatic dual-purpose umbrella structure | — | 1989-05-02 |