Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9717388 | Pad changer, cleaner and cleaner system having the same | Dong Hun Lee, Min Jae Kim, Heum Yong Park, Dong Hyun Lee | 2017-08-01 |
| 9560947 | Robot cleaner | Sung-Jin Park, Shin Kim, Heum Yong Park, Dong Hun Lee | 2017-02-07 |