Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11380178 | Photoelectric smoke detector having double-bulkhead darkroom structure | Byung Kwon LEE | 2022-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11380178 | Photoelectric smoke detector having double-bulkhead darkroom structure | Byung Kwon LEE | 2022-07-05 |