Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945753 | Smoke exhauster having improved fan device | Chi Shyong Chiang | 2005-09-20 |
| 6866481 | Ventilator having an optimum fan structure | Chi-Hsiung Chiang | 2005-03-15 |
| 6844691 | Ventilator having an abnormal operation indication device | Chi-Hsiung Chiang | 2005-01-18 |