Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027200 | Upright vacuum cleaner | Chung-Ook Chong, Kyu-Chun Choi, Geun-Bae Hwang | 2015-05-12 |
| 8613125 | Vacuum cleaner | Kyeong Seon Jeong, Kyu-Chun Choi, Geun-Bae Hwang, Ju-young Min, Chung-Ook Chong | 2013-12-24 |
| 8434194 | Nozzle for a vacuum cleaner | Kyeong Seon Jeong, Geun-Bae Hwang, Kie Tak Hyun, Kyu-Chun Choi | 2013-05-07 |