Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7208945 | Sensing apparatus and method | Ross Peter Jones, Mark Anthony Howard, David Alun James, Darran Kriet, Colin Sills | 2007-04-24 |
| 7016744 | Man-machine interface | Mark Anthony Howard, Alice Richard | 2006-03-21 |
| 6595419 | Shielded magnetic reading devices | Michael D. Crossfield | 2003-07-22 |
| 6561022 | Position encoder | Euan Morrison, Andrew White, Victoria Clark | 2003-05-13 |
| D334348 | Plumb bob | — | 1993-03-30 |
| 4920657 | Assembly for plumb bob and line | — | 1990-05-01 |