Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7796011 | Water treatment apparatus | Lee Underwood | 2010-09-14 |
| 7790022 | Water filter and treatment system and component | Lee Underwood, Mark Graeme Wilson, Steven John Bryant | 2010-09-07 |
| 7069166 | Electronic systems | Lee Underwood, Mark Graeme Wilson | 2006-06-27 |