Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970488 | Machine tool workpiece inspection system | Tim Prestidge, John Charles Ould, David Thomas | 2011-06-28 |
| 7328519 | Machine adaptation | David Thomas, Timothy Donald Hayter | 2008-02-12 |
| 5671542 | Signal processing circuit for trigger probe | James Zannis, David R. Whittle, David I. Pilborough | 1997-09-30 |
| 5647137 | Probe arm for machine tool | David R. McMurtry, Stephen E. Lummes, Martin P. Spivey, Jonathan Shamus Sullivan | 1997-07-15 |
| 5634280 | Measuring probe | Peter Kenneth Hellier | 1997-06-03 |
| 5446970 | Probe arm for machine tool | David R. McMurtry, Martin P. Spivey | 1995-09-05 |
| 5208993 | Touch probe | — | 1993-05-11 |