Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279763 | Process of preparing ferrite powders | Pierre Gerest, Henri Lemaire | 1981-07-21 |
| 4259197 | Process of preparing ferrite powders | Pierre Gerest, Henri Lemaire | 1981-03-31 |