Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12128521 | Apparatus for forming a hairline finish | Jae Sang Hwang | 2024-10-29 |
| 11332846 | Hand-held cathode structure and electrolytic-polishing apparatus including the same | Jae Sang Hwang | 2022-05-17 |