Patent attorneys and Patent professionals in Frankfurt am Main
| Dr. Klaus Dieter | Langfinger PA |
| Dipl.-Chem. Dr. rer. nat. Karl-Heinz | Metten PA |
| Dipl.-Phys. Dr. phil. nat. Steffen | Schmidt PA |
| Dr. Klaus Dieter | Langfinger PA |
| Dipl.-Chem. Dr. rer. nat. Karl-Heinz | Metten PA |
| Dipl.-Phys. Dr. phil. nat. Steffen | Schmidt PA |