Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9622632 | Cyclone dust collector and vacuum cleaner having the same | Jung-gyun Han, Joung-soo Park, Jong Gook Lim, Kyong-hui Jeon | 2017-04-18 |
DS
Dong Won So
Overall (All Time): #2,940,133 of 4,157,543Top 75%
1
Patents All Time