Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098943 | Water repellent and water repellent gypsum composition | Toru Tagawa, Yasoji Ozawa | 1992-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098943 | Water repellent and water repellent gypsum composition | Toru Tagawa, Yasoji Ozawa | 1992-03-24 |