Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10284561 | Method and server for providing image captcha | Sungdeok Cha | 2019-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10284561 | Method and server for providing image captcha | Sungdeok Cha | 2019-05-07 |