Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10121358 | Wireless emergency bell control system and method, and computer-readable recording medium | — | 2018-11-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10121358 | Wireless emergency bell control system and method, and computer-readable recording medium | — | 2018-11-06 |