Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836047 | Vacuum cleaner for both upright and canister modes | Jin Bang Lee, Byung-Cheol Choi, Seon Kyu Kim, Yeong-je Jeon, Nam-Ho Lee | 1998-11-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836047 | Vacuum cleaner for both upright and canister modes | Jin Bang Lee, Byung-Cheol Choi, Seon Kyu Kim, Yeong-je Jeon, Nam-Ho Lee | 1998-11-17 |