Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8010229 | Method and apparatus for returning cleaning robot to charge station | Hyung Joo Kim, Chang Gyu Lim, Dong-Sun Lim | 2011-08-30 |
SI
Sung Ho IM
Overall (2011): #156,948 of 364,097Top 45%
1
Patents 2011