Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9322104 | Recovering lead from a mixed oxidized material | Stefan Fassbender, David Dreisinger | 2016-04-26 |
| 9322105 | Recovering lead from a lead material including lead sulfide | Stefan Fassbender, David Dreisinger | 2016-04-26 |