Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239716 | Gypsum moldings as building materials and methods manufacturing the said gypsum moldings | Nobumasa Ishida, Yasuo Yamada | 1980-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239716 | Gypsum moldings as building materials and methods manufacturing the said gypsum moldings | Nobumasa Ishida, Yasuo Yamada | 1980-12-16 |