Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370148 | Chlorofluoroferrate(II,III), a process for its manufacture, its use and a grinding wheel containing chlorofluoroferrate(II,III) | Bernd Schonfeld | 1983-01-25 |
| 4263016 | Non-toxic, active filler for grinding disks, its use and grinding disk containing same | Bernd Schonfeld | 1981-04-21 |