Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D466839 | Foldable electric vehicle for recreation and travelling | — | 2002-12-10 |
| 6439835 | Pump shell for multistage metal working pump | Huan-Jan Chien, Shu-Fen Kao, Rong-Jau Liaw | 2002-08-27 |
| 6398493 | Floatable impeller for multistage metal working pump | Huan-Jan Chien, Shu-Fen Kao, Rong-Jau Liaw | 2002-06-04 |
| D454814 | Electric medical scooter | — | 2002-03-26 |