Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084912 | Assembly type ventilation device for windows and doors | — | 2024-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084912 | Assembly type ventilation device for windows and doors | — | 2024-09-10 |