Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10285863 | Protective helmet having a cover plate knock out assembly | James Watkins | 2019-05-14 |
| 10172741 | Power saving welding helmet | Chien-Hsing Hsieh, Chia-Hung Chen, Jim Watkins | 2019-01-08 |