Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904922 | Luminous umbrella | — | 2005-06-14 |
| 6247750 | Baby chair structure | — | 2001-06-19 |
| 6199489 | Folding table | — | 2001-03-13 |
| 6149238 | Structure of arm of a folding chair | — | 2000-11-21 |
| 6125769 | Folding table | Wei-sin Chang | 2000-10-03 |
| D414672 | Blowtorch handle | — | 1999-10-05 |
| D413784 | Blowtorch handle | — | 1999-09-14 |
| 5390687 | Quadruped stick with detachable quadripods | — | 1995-02-21 |