Top Inventors at Dr. C. Otto Feuerfest Gmbh All Time
Showing 1–12 of 12 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans-Joachim Koschlig | 4 |
| 2 | Fred Brunk | 1 |
| 2 | Frank Hutter | 1 |
| 2 | Helmut Schmidt | 1 |
| 2 | Klaus Wessiepe | 1 |
| 2 | Martin Heumuller | 1 |
| 2 | Walter Hartmann | 1 |
| 2 | Willi Kunkel | 1 |
| 2 | Wilhelm Stewen | 1 |
| 2 | Wolfgang Becker | 1 |
| 2 | Engelbert Overkott | 1 |
| 2 | Lothar Brandau | 1 |