Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9186025 | Upright type vacuum cleaner having dust compression device | Jaedal Lee | 2015-11-17 |
| 9072418 | Vacuum cleaner | Geunbae Hwang, Jaedal Lee | 2015-07-07 |
| 8701244 | Vacuum cleaner | Geunbae Hwang, Jaedal Lee | 2014-04-22 |