| # | Name | Location | Applications |
|---|---|---|---|
| 1. | Ehwald Karl-Ernst | 🇩🇪 D-15234 Frankfurt/Oder, Germany | 1 |
| 2. | Ehwald Karl-Ernst | 🇩🇪 Frankfurt, Germany | 9 |
| 3. | Ehwald Karl-Ernst | 🇩🇪 Frankfurt (Oder), Germany | 3 |
| 4. | Ehwald Max | 🇩🇪 Berlin, Germany | 2 |
| 5. | Ehwald Rudolf | 🇩🇪 D-10115 Berlin, Germany | 1 |
| 6. | Ehwald Rudolf | 🇩🇪 Berlin, Germany | 12 |
| 7. | EHWALD Rudolf Johannes | 🇩🇪 Müncheberg, Germany | 1 |