Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469428 | Lamp with a mechanical base | Ernst Muehlich, Dieter Trypke | 2002-10-22 |
| 6448439 | Method for producing acrylic acid and methacrylic acid | Bernd Eck, Otto Machhammer, Theo Proll, Volker Schliephake, Klaus Bröllos | 2002-09-10 |
| 6433222 | Method for producing acrylic acid | Bernd Eck, Jorg Heilek, Volker Schliephake, Theo Proll, Klaus Bröllos +1 more | 2002-08-13 |