Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342441 | Core for use in casting hollow concrete slab and method of casting such slab | Koichiro Fujio | 1982-08-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342441 | Core for use in casting hollow concrete slab and method of casting such slab | Koichiro Fujio | 1982-08-03 |