Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561484 | Method of treating a cast iron member prior to joining to another member | Masayoshi Usui | 1985-12-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561484 | Method of treating a cast iron member prior to joining to another member | Masayoshi Usui | 1985-12-31 |