Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300408 | Coordinate positioning machine | David R. McMurtry, Stephen Mark Angood, Colin Ray Bulled, David James FOOK, Marcus James Eales | 2022-04-12 |
| 10816335 | Coordinate positioning machine | David R. McMurtry, Stephen Mark Angood, Colin Ray Bulled, David James FOOK, Marcus James Eales | 2020-10-27 |
| 8368887 | Rotation detection kit | Stephen Mark Angood, Raymond J. Chaney, Mark Chapman, David R. McMurtry | 2013-02-05 |
| 8345240 | Rotation detection kit | Stephen Mark Angood | 2013-01-01 |
| 8138403 | Brace for stringed instrument | — | 2012-03-20 |