Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637037 | Ready safety helmet | — | 2003-10-28 |
| 5829161 | Electrothermal drying rack | Shu-Fen Lee | 1998-11-03 |
| 5778677 | Device for making ice blocks | Shu-Fen Lee | 1998-07-14 |
| 5762198 | Air protective bag structure | — | 1998-06-09 |