Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8552707 | Bandgap circuit and complementary start-up circuit for bandgap circuit | — | 2013-10-08 |
| 6711820 | Transformable pocket knife | — | 2004-03-30 |
| 5791203 | Bicycle crankset | Yin Liu, Long-Shui Wu | 1998-08-11 |
| 5737974 | Fastening assembly of bicycle upright tube | — | 1998-04-14 |
| 5678836 | Vertical tube structure for bicycles | — | 1997-10-21 |