Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699588 | Device of removing trash and dust from raw cotton before carding in the preparatory by applying a high-voltage static electricity | Han-Hsing Hsiung, Sheng-Fu Chiu | 1997-12-23 |