Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689736 | Ultra-high-strength spring steel for valve spring | Sung Chul Cha, Sang Min Song, Jae-Hyeok Shim | 2020-06-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689736 | Ultra-high-strength spring steel for valve spring | Sung Chul Cha, Sang Min Song, Jae-Hyeok Shim | 2020-06-23 |