Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875946 | Process for producing rare earth-cobalt permanent magnet | Swe-Kai Chen, Fu-Teh Jin, Li-Kou Chen | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875946 | Process for producing rare earth-cobalt permanent magnet | Swe-Kai Chen, Fu-Teh Jin, Li-Kou Chen | 1989-10-24 |