Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849018 | Utilization of latexes with aluminous cement and gypsum composition | David A. Ruefenacht | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849018 | Utilization of latexes with aluminous cement and gypsum composition | David A. Ruefenacht | 1989-07-18 |