Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475718 | Water purification system and process with water pretreatment apparatus | Frederick J. Dart | 2016-10-25 |
| 8286951 | Well water aeration system | Frederick J. Dart | 2012-10-16 |
| 8088287 | Combining waterborne bionutrients with scale particles and use of a waterborne particle remover to remove the combined particles from the water | Frederick J. Dart | 2012-01-03 |
| 7497953 | Water treatment apparatus and method | Frederick J. Dart | 2009-03-03 |
| 4422933 | Magnetic water conditioning device | Severin F. Sverre | 1983-12-27 |