Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842112 | Cyclone collector | Sung Hwa Lee, Kie Tak Hyun, Young Bok Son, Kyeong Seon Jeong | 2010-11-30 |
| 7815702 | Multi cyclone collector | Kie Tak Hyun, Young Bok Son, Kyeong Seon Jeong | 2010-10-19 |
| 7731771 | Cyclone collector | Sung Hwa Lee, Kie Tak Hyun, Young Bok Son, Kyeong Seon Jeong | 2010-06-08 |
| 7540064 | Suction nozzle and head of vacuum cleaner having the same | Kyeong Seon Jeong, Jung Wan Ryu | 2009-06-02 |
| 7479171 | Dust separator for cyclone type cleaner | Jung Wan Ryu, Kyeong Seon Jeong, Sung Hwa Lee | 2009-01-20 |
| 7040883 | Vane supporting apparatus for hermetic compressor | Kwang Sik Yang, Hong Hee Park, Bum-Dong Sa | 2006-05-09 |