Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657368 | Metal leach and recovery process | Andrew Nisbett, Stephen Adkins, Alexsandro Berger | 2017-05-23 |
| 4837511 | Method and apparatus for identifying the metal included in a metallic item | Herbert William Whittington, James R. Jordan | 1989-06-06 |