Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212092 | Portland limestone calcined clay cement | Duncan Herfort | 2015-12-15 |
| 5584926 | Cement compostion | Hans Erik Borgholm | 1996-12-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212092 | Portland limestone calcined clay cement | Duncan Herfort | 2015-12-15 |
| 5584926 | Cement compostion | Hans Erik Borgholm | 1996-12-17 |