Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295438 | Single initiate command system and method for a multi-shot blast | Trevor R. Hill, Antony J. Surtees, Andrew J. Houliston, Ari Zagnoev | 1994-03-22 |
| 5214236 | Timing of a multi-shot blast | Raymond J. Murphy, Jan Schreuder, Mark Marsden, Trevor R. Hill | 1993-05-25 |