Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5920267 | Ring network system | David Tattersall, Ian Jackson, Gerald Van De Poll, Malcolm Lewis | 1999-07-06 |
| 5431286 | Recirculating column flotation apparatus | Manqiu Xu, Jeff McLaughlin, Ric Stratton-Crawley | 1995-07-11 |
| 4425075 | Wafer aligners | — | 1984-01-10 |