Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520822 | Apparatus and method of hyperbaric filtration | — | 1996-05-28 |
| 5435893 | Process for the dewatering of phosphate slimes | Chunjie Zhang | 1995-07-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520822 | Apparatus and method of hyperbaric filtration | — | 1996-05-28 |
| 5435893 | Process for the dewatering of phosphate slimes | Chunjie Zhang | 1995-07-25 |