Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9787502 | Captive portal systems, methods, and devices | Seung Bong Han, Yong Seok Joo | 2017-10-10 |
| 9294920 | Captive portal systems, methods, and devices | Seung Bong Han, Yong Seok Joo | 2016-03-22 |