Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10952902 | Automatic darkening filter assembly for a welding protector and a welding protector | Johan Hansson, Thomas B. Stenvall, Linus P. Bastman | 2021-03-23 |
KH
Kjell A. Hummel
Overall (2021): #371,736 of 548,734Top 70%
1
Patents 2021