Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296028 | Antifreeze admixture for concrete | Charles J. Korhonen | 1994-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296028 | Antifreeze admixture for concrete | Charles J. Korhonen | 1994-03-22 |