Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396463 | Method of purifying waste water | Christian Josis, Andre Hans | 1983-08-02 |
| 4310386 | Method of and apparatus for the dry quenching of coke | — | 1982-01-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396463 | Method of purifying waste water | Christian Josis, Andre Hans | 1983-08-02 |
| 4310386 | Method of and apparatus for the dry quenching of coke | — | 1982-01-12 |