Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794843 | Ventilator having a muting device | Chi-Hsiung Chiang | 2004-09-21 |
| 6782885 | Smoke exhauster having forwarded fan casing | Chi Shyong Chiang | 2004-08-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794843 | Ventilator having a muting device | Chi-Hsiung Chiang | 2004-09-21 |
| 6782885 | Smoke exhauster having forwarded fan casing | Chi Shyong Chiang | 2004-08-31 |