Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667886 | Method and apparatus for the production of cement clinker with a low alkali content | Georg Unland | 1987-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667886 | Method and apparatus for the production of cement clinker with a low alkali content | Georg Unland | 1987-05-26 |