Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294304 | Environmentally benign high conductivity ferrite carrier with widely variable magnetic moment | William R. Hutcheson | 2001-09-25 |
| 5798198 | Non-stoichiometric lithium ferrite carrier | William R. Hutcheson | 1998-08-25 |