Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829805 | Locking device for exhaust filter of vacuum cleaner | — | 2004-12-14 |
| 6746500 | Cyclone dust collector | Deog Bae Park | 2004-06-08 |
BY
Byung-sun YANG
Overall (2004): #71,100 of 270,089Top 30%
2
Patents 2004