Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237965 | Leak-free flexible conduit | — | 2001-05-29 |
| 6145893 | Connector for pipeline | — | 2000-11-14 |
| 5799702 | Retractable conduit | Kuo Hsien-Jen | 1998-09-01 |
| 5740839 | Flexible extension conduit | Hsien-Jen Kuo | 1998-04-21 |