Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371989 | User-participating type fitness lecture system and fitness training method using the same | Chong Eun Kim, Shin-Hyun Min, Dane Jon | 2013-02-12 |
| 5361790 | Apparatus and method for cleaning a filter assembly | Jong Mun Park, Chan-Sik Jeong, Taek-Jong Yu | 1994-11-08 |