Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415402 | Separating devulcanized rubber | Brian Harrison, Hurdon Hooper, Leo Cheung, Matthew Ness | 2013-04-09 |
| 7189527 | Bacterial oxidation of sulphide ores and concentrates | Colin John Hunter, Tamsin Lisa Williams, Simon Anthony Roger Purkiss, Leo Cheung, Elena Connors | 2007-03-13 |
| 4372782 | Recovery of lead and silver from minerals and process residues | Robert S. Salter, Roy S. Boorman | 1983-02-08 |