Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930359 | Apparatus for preparing samples from a flow of bulk material | Erhard Wolfrum, Reiner Konig, Rolf A. Sieglen | 1990-06-05 |
| 4518352 | Industrial oven with air recirculation for heat treating processes | Horst Gillhaus, Fritz Hegewaldt, Jurgen Baer, Ernst Toplak | 1985-05-21 |