Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053137 | Water filter cartridge | Harry Joseph Knopke, Todd Alan Kercher, Jay Everett VandenBrink | 2021-07-06 |
| 11017741 | Light sensor having partially opaque optic | Barry K. Nelson, Daniel G. McMillan, Spencer D. Reese | 2021-05-25 |
| 11006502 | Light sensor | Barry K. Nelson, Daniel G. McMillan, Spencer D. Reese | 2021-05-11 |