Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9770147 | Apparatus for diverting fluid flow path | Byung-jo Lee, See-hyun Kim | 2017-09-26 |
| 8881340 | Apparatus for diverting fluid flow path | Byung-jo Lee, See-hyun Kim | 2014-11-11 |
| 8789234 | Apparatus for diverting fluid flow path | Byung-jo Lee, See-hyun Kim | 2014-07-29 |
| 7937802 | Vacuum cleaner for use in both upright form and canister form | Dong-hun Yoo, Jeong-hee Cho, Yun Hee Park, Il-du Jung | 2011-05-10 |
| 7836546 | Dust collecting unit for vacuum cleaner | Dong-hun Yoo | 2010-11-23 |
| 7765639 | Turbine brush of a vacuum cleaner | Byung-jo Lee, Yun Hee Park, Dong-hun Yoo | 2010-08-03 |
| 7645311 | Cyclone unit and contaminants-collecting apparatus having the same | Jang-keun Oh, Dong-hun Yoo, Jae-sun You | 2010-01-12 |
| 7597730 | Dust collection apparatus for vacuum cleaner | Dong-hun Yoo, Jae-sun You | 2009-10-06 |
| D581612 | Dust separating apparatus for a vacuum cleaner | Dong-hun Yoo | 2008-11-25 |