Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431402 | Rock boring device | Alwyn Arthur Jones, Anton Josep Jurasovic, Geoffrey Peter Johnstone, Wayne Anthony Cusick, David Burnett Sugden | 2008-10-07 |
| 7182407 | Rock boring device with an oscillating and nutating rotary disc cutter | Alwyn Arthur Jones, Anton Josep Jurasovic, Geoffrey Peter Johnstone, Wayne Anthony Cusick, David Burnett Sugden | 2007-02-27 |