Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10526247 | Adjuvant for a cement or a refractory concrete composition, the uses thereof, and cement and refractory concrete compositions | Jean-Michel Auvray, Farida Kebli, Michael Lievin, Kamel Benyahia | 2020-01-07 |
| 5420087 | Refractory or fireproof brick as tin bath bottom brick | Klaus Wieland, Thomas Weichert, Axel Eschner | 1995-05-30 |