Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7030782 | Position detector | David Ely, Ross Peter Jones, James M. C. England, Robert M. Pettigrew, Andrew Dames +1 more | 2006-04-18 |
| 6489899 | Position detector | David Ely, Ross Peter Jones, James M. C. England, Robert M. Pettigrew, Andrew Dames +1 more | 2002-12-03 |
| 6249234 | Position detector | David Ely, Ross Peter Jones, James M. C. England, Robert M. Pettigrew, Andrew Dames +1 more | 2001-06-19 |
| 6230972 | Magnetic reading devices | Andrew Dames, Michael D. Crossfield | 2001-05-15 |