Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021216 | Method of and system for controlling a blasting network | Livia Dragne, Christian Hoogenboezem | 2006-04-04 |
| 6644202 | Blasting arrangement | Peter J Duniam, Peter J McCallum, William H Birney, Rudy W Spiessens, Vernon West | 2003-11-11 |
| 6085659 | Electronic explosives initiating device | Christo Andre Beukes, Stafford A. Smithies, Ray Frederick Greyvenstein, Rudy W Spiessens | 2000-07-11 |
| 4976199 | Blasting system and its method of control | Christo Andre Beukes, Thrasyvoulas Moraitis | 1990-12-11 |
| 4819560 | Detonator firing element | Stafford A. Smithies | 1989-04-11 |