Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682780 | Rod chucking device for a perforator for perforating a pig iron discharge opening in a blast furnace | Kenichiro Kurama | 1987-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682780 | Rod chucking device for a perforator for perforating a pig iron discharge opening in a blast furnace | Kenichiro Kurama | 1987-07-28 |