Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10442028 | Welding helmet configuration providing real-time fume exposure warning capability | Bruce J. Chantry, Badri Narayanan, Steven R. Sumner, William T. Matthews | 2019-10-15 |
| 9750295 | Welding helmet configuration providing real-time fume exposure warning capability | Bruce J. Chantry | 2017-09-05 |