Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7242001 | Device for measuring water quality | Nigel Hedges, Brian MacCraith, Hugh Masterson | 2007-07-10 |
| 6523426 | Water quality measuring apparatus with a sensing wafer clamped between two o-rings | David Robert Vincent, Stuart Ward | 2003-02-25 |