Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645563 | Method of coating a shaped mineral article | Cheng-Le Zhao, Manfred Schwartz, Bertold Bechert, Wolfgang Hümmer | 2003-11-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645563 | Method of coating a shaped mineral article | Cheng-Le Zhao, Manfred Schwartz, Bertold Bechert, Wolfgang Hümmer | 2003-11-11 |