Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212302 | Method for producing zirconia-reinforced alumina grains, in particular abrasive grains, and grains produced by such method | Gerd Fischer, Clemens Megerle | 2015-12-15 |
| 5259147 | Granular abrasive material | Gunter Bigorajski, Herbert Exner | 1993-11-09 |