Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7179053 | Air-blowing apparatus of cleaner | Wook Kim, Chang Joon Kim | 2007-02-20 |
| 6953319 | Centrifugal fan | Sang Bum Sohn, Ho-Seon Rew, Sung Bae Song | 2005-10-11 |
| 6677564 | Blower apparatus | Sang Bum Sohn, Ho-Seon Rew, Seung-Bae Song | 2004-01-13 |
| 6278958 | Method for predicting a noise intensity emitted from a fan and or a pump | Duck Joo Lee | 2001-08-21 |