| Name | Role | Event | DateYear | Place | Source |
|---|---|---|---|---|---|
| A. Spring int Veld | Patentplichtige | Patentvermelding | 1849 | Breda | Patentregisters |
| A. Spring int Veld | Patentplichtige | Patentvermelding | 1850 | Breda | Patentregisters |
| A. Spring int veld | Patentplichtige | Patentvermelding | 1850 | Breda | Patentregisters |
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