Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876262 | Radar system | Mark P. Radford, David Spreadbury | 2011-01-25 |
| 7782245 | Radar system | Graham Pearson, David Spreadbury | 2010-08-24 |
| 7567202 | Radar system | Graham Pearson, David Spreadbury | 2009-07-28 |