Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813128 | Ball bar apparatus for calibrating a machine | — | 1998-09-29 |
| 5720209 | Mounting device for a telescopic transducer | Mark Chapman | 1998-02-24 |
| 5259120 | Calibration and measurement device | Mark Chapman, Seamus McFadden, Marcus James Eales | 1993-11-09 |