Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9948758 | Calling device for calling driver of vehicle by using low-power wide-area network and calling method thereof | Sung Kuk CHOI | 2018-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9948758 | Calling device for calling driver of vehicle by using low-power wide-area network and calling method thereof | Sung Kuk CHOI | 2018-04-17 |