Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4633976 | Method of controlling lubricating-oil quantity for internal mixer | Hideki Aoyama | 1987-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4633976 | Method of controlling lubricating-oil quantity for internal mixer | Hideki Aoyama | 1987-01-06 |