Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10348791 | Sound signal-based local interactive platform system and local interactive service providing method using same | Jae-Joon Choi, Kyung-Hoon Kim, Hyun Min Lee | 2019-07-09 |