Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641787 | Method of comminuting rare earth powder for producing rare earth magnet | Christian C. Petersen | 1987-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641787 | Method of comminuting rare earth powder for producing rare earth magnet | Christian C. Petersen | 1987-02-10 |