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, Sung Ho IM, Dong-Sun Lim | 2011-08-30 |
CL
Chang Gyu Lim
Overall (2011): #332,828 of 364,097Top 95%
1
Patents 2011