Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8543250 | Electric appliance and a control method thereof | Mun Seok Seo, Dae Geun Seo | 2013-09-24 |
| 8292575 | Fan for air conditioner | In-Gyu Kim, Byung-Il Park, Ja Hyung Koo, Yang-Ho Kim, Kyeong-Wook Heo +10 more | 2012-10-23 |
| 5444893 | Apparatus for preventing bumping and falling of automatic travelling vacuum cleaner | Jang Weon LEE | 1995-08-29 |
| 5353224 | Method for automatically controlling a travelling and cleaning operation of vacuum cleaners | Jang Weon LEE | 1994-10-04 |
| 5307273 | Apparatus and method for recognizing carpets and stairs by cleaning robot | Ki Tae Oh | 1994-04-26 |