Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794299 | Variable exhaust valve assembly for vehicle | Sang Il Lee, Yun Soo Kim, Jin Woo Kim, Jong Hwa Kang | 2020-10-06 |
| 8607902 | Width variable structure of moving and transport means using mecanum wheels | Cheol Han Kim, Hee Tae Yang, Seong Ki Ha, Hee Chan Kim, Dae Yub You +1 more | 2013-12-17 |