Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748297 | Robot cleaner system having external charging apparatus and method for docking with the charging apparatus | Sang Yong Lee | 2004-06-08 |
| 6732826 | Robot cleaner, robot cleaning system and method for controlling same | Jang-youn Ko, Seung-Bin Moon, Kyoung Mu Lee | 2004-05-11 |