Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7481971 | Iridium alloy | Duncan Roy Coupland | 2009-01-27 |
| 7352120 | Ignition device having an electrode tip formed from an iridium-based alloy | Paul Tinwell, Gurdev Orjela, Duncan Roy Coupland | 2008-04-01 |
| 6885136 | Ignition device having an electrode formed from an iridium-based alloy | Gurdev Orjela, Paul Tinwell, Duncan Roy Coupland | 2005-04-26 |