Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721693 | Silicate raw material for ceramics, process for preparing same and use thereof | Siegfried Lenk, Karl-Heinz Ulbrich | 1988-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721693 | Silicate raw material for ceramics, process for preparing same and use thereof | Siegfried Lenk, Karl-Heinz Ulbrich | 1988-01-26 |