Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4205998 | Admixture for obtaining rapid hardening portland cement and a method by which it is to be performed | Yordan T. Simeonov | 1980-06-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4205998 | Admixture for obtaining rapid hardening portland cement and a method by which it is to be performed | Yordan T. Simeonov | 1980-06-03 |