Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614324 | Mold for producing concrete pipe | Kiichi Yamashita, Takao Iwasaki | 1986-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614324 | Mold for producing concrete pipe | Kiichi Yamashita, Takao Iwasaki | 1986-09-30 |