Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748888 | Directly motor-driven structure of a sewing machine | — | 2004-06-15 |
| 6712015 | Oblique thread-guiding link of a sewing machine | — | 2004-03-30 |
| 6694903 | Knife track adjustment structure of thread cutter of sewing machine | — | 2004-02-24 |
| 6691630 | Looper thread take-up apparatus of a sewing machine | — | 2004-02-17 |
| 6679064 | Wafer transfer system with temperature control apparatus | Chih-Wei Chang, Fa-Yuan Chang, Cheng-Ting Tseng, Chin-Chang Chen, Cheng-Cheng Chang | 2004-01-20 |