Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595594 | Anti-efflorescence admixture for concrete products | David F. Factor, Hamid Farzammehr, Kenneth Sroka | 1997-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595594 | Anti-efflorescence admixture for concrete products | David F. Factor, Hamid Farzammehr, Kenneth Sroka | 1997-01-21 |