Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408570 | Plant cultivation device | Shu-Yen Peng Shih | 2002-06-25 |
| 6067811 | Airtight high humidity cold storage with drawers | Shu-Yen Peng Shih | 2000-05-30 |
| 6036104 | Irrigation system | — | 2000-03-14 |
| 5382075 | Chair seat with a ventilation device | — | 1995-01-17 |