Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066970 | Tube-pin assembly for heat exchanger of vehicle | Dong-Young Lee, Sung Il Yoon | 2021-07-20 |
| 9579720 | Injection mold for rotary-type gravity casting and gravity casting method using the same | — | 2017-02-28 |
| 8904776 | Cylinder driving apparatus using air pressure | — | 2014-12-09 |