Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10172741 | Power saving welding helmet | Chien-Hsing Hsieh, Edward L. Martin, Chia-Hung Chen | 2019-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10172741 | Power saving welding helmet | Chien-Hsing Hsieh, Edward L. Martin, Chia-Hung Chen | 2019-01-08 |