Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070264 | Welding helmet having auto-darkening and manually adjustable lens shade control | Thomas J. Hamilton, Jerry C. Cole, David Allen Shamery | 2000-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070264 | Welding helmet having auto-darkening and manually adjustable lens shade control | Thomas J. Hamilton, Jerry C. Cole, David Allen Shamery | 2000-06-06 |