Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863513 | Iron-base anti-wear sintered alloy member | Genkichi Umeha, Shigeru Urano, Osamu Hirakawa | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863513 | Iron-base anti-wear sintered alloy member | Genkichi Umeha, Shigeru Urano, Osamu Hirakawa | 1989-09-05 |