Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1082154 | Welding mask | Zuhua Chen | 2025-07-01 |
| D1064419 | Welding mask | Zuhua Chen | 2025-02-25 |
| D1064420 | Welding mask | Zuhua Chen | 2025-02-25 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1082154 | Welding mask | Zuhua Chen | 2025-07-01 |
| D1064419 | Welding mask | Zuhua Chen | 2025-02-25 |
| D1064420 | Welding mask | Zuhua Chen | 2025-02-25 |