Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669750 | Access port for house vacuum equipped with removable trap | Jason Liao, Yeay-Cin Chen, Wan-ly Chen | 2003-12-30 |
JH
Jun-Sheng Hsu
Overall (2003): #187,763 of 273,478Top 70%
1
Patents 2003