Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431402 | Rock boring device | Anthony John Peach, Alwyn Arthur Jones, Anton Josep Jurasovic, Geoffrey Peter Johnstone, David Burnett Sugden | 2008-10-07 |
| 7182407 | Rock boring device with an oscillating and nutating rotary disc cutter | Anthony John Peach, Alwyn Arthur Jones, Anton Josep Jurasovic, Geoffrey Peter Johnstone, David Burnett Sugden | 2007-02-27 |