Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215895 | Carbon monoxide leak alerting device and method | Young-Hwan Choi, Sung-An Ha | 2025-02-04 |
| 12117206 | System and method for discharging carbon monoxide by using carbon monoxide leakage alarm device | Young-Hwan Choi, Sung-An Ha | 2024-10-15 |