Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10866442 | Curved, arcuately-bonded liquid crystal cell and method of making | Louise L. M. Madsen, Larissa Zuravskaja, Kenneth Jarefors | 2020-12-15 |
| 10821026 | Welding protector with magnifying cover | Britton G. Billinglsey, Christopher M. Brown, Timothy L. Wong, Kenneth Jarefors, John M. Kruse +2 more | 2020-11-03 |
| 10758420 | Protective headgear comprising a curved switchable shutter and comprising multiple antireflective layers | Kenneth Jarefors, Britton G. Billingsley | 2020-09-01 |
| 10667952 | Welding helmet having a filter arrangement | Kenneth Jarefors | 2020-06-02 |