Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371399 | Water-repellent gypsum mortar | Adolf May, Franz J. Voetz | 1983-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371399 | Water-repellent gypsum mortar | Adolf May, Franz J. Voetz | 1983-02-01 |