Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518307 | Method for the production of a refractory filter | Friedhelm Demey, Hans Riethmann, Mario Arruda, Antonio Cassara, Raphael Neto +3 more | 2016-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518307 | Method for the production of a refractory filter | Friedhelm Demey, Hans Riethmann, Mario Arruda, Antonio Cassara, Raphael Neto +3 more | 2016-12-13 |