Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275989 | Ceramic composition for the production of the top layer of two-layered stoneware tiles | Christian Schlegel | 1994-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275989 | Ceramic composition for the production of the top layer of two-layered stoneware tiles | Christian Schlegel | 1994-01-04 |