Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698027 | Method and plant for manufacturing mineralized portland cement clinker | Hans Erik Borgholm, Duncan Herfort | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698027 | Method and plant for manufacturing mineralized portland cement clinker | Hans Erik Borgholm, Duncan Herfort | 1997-12-16 |