Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168099 | Method and device for producing a perforated disc for an injector valve, perforated disc for an injector valve and injector valve | Wilhelm Hopf, Siegfried Goppert, Kurt Schraudner, Henning Teiwes, Jorg Heyse +1 more | 2001-01-02 |
| 4554041 | Method of producing a thermally insulated body | Karl Bartsch, Helmut Knoll, Gerd Tomazic | 1985-11-19 |