Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534273 | Alkaline and acid pressure oxidation of precious metal-containing materials | John William Langhans, JR. | 2017-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534273 | Alkaline and acid pressure oxidation of precious metal-containing materials | John William Langhans, JR. | 2017-01-03 |