Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957712 | Robot cleaner, system employing the same and method for re-connecting to external recharging device | Jeong-gon Song, Jang-youn Ko | 2005-10-25 |
| 6841963 | Robot cleaner, system thereof and method for controlling same | Jeong-gon Song, Jang-youn Ko | 2005-01-11 |