Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7346972 | Method of making a welding helmet | Steven Robinson | 2008-03-25 |
| D426350 | Bulldog welding helmet | Steven Robinson | 2000-06-06 |
| D425670 | Gorilla welding helmet | Steven Robinson | 2000-05-23 |
| D425260 | Skull welding helmet | Steven Robinson | 2000-05-16 |