Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669788 | Permanent magnetic materials of the Fe-B-R tpe, containing Ce and Nd and/or Pr, and process for manufacture | Chen XIN, Wang Biao, Ni ZHEN, Mark Gilbert Benz | 2003-12-30 |
| 6507193 | Residuum rare earth magnet | Mark Gilbert Benz | 2003-01-14 |
| 6377049 | Residuum rare earth magnet | Mark Gilbert Benz | 2002-04-23 |
| 6120620 | Praseodymium-rich iron-boron-rare earth composition, permanent magnet produced therefrom, and method of making | Mark Gilbert Benz | 2000-09-19 |