Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782584 | Upright type vacuum cleaner | — | 2004-08-31 |
| 6735816 | Upright-type vacuum cleaner | Jang-keun Oh | 2004-05-18 |
MC
Min-Jo Choi
Overall (2004): #50,045 of 270,089Top 20%
2
Patents 2004