Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897675 | Cerium oxide-metal/metalloid oxide mixture | Helmut Mangold, Werner Hartmann | 1999-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897675 | Cerium oxide-metal/metalloid oxide mixture | Helmut Mangold, Werner Hartmann | 1999-04-27 |