Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11713255 | Water filter cartridge | Harry Joseph Knopke, Todd Alan Kercher, Jon H. Bechtel | 2023-08-01 |
| 11053137 | Water filter cartridge | Harry Joseph Knopke, Todd Alan Kercher, Jon H. Bechtel | 2021-07-06 |