- Innovatieleider in autoverlichting sinds 1914
- Uitvinder van de Xenon HID-lamp
- De keuze van grote autofabrikanten
- Innovator of the automotive lighting industry since 1914
- Inventor of the Xenon HID lights
- The choice of all leading car manufacturers
- Innovator of the automotive lighting industry since 1914
- Inventor of the Xenon HID lights
- The choice of all leading car manufacturers
- Innovator of the automotive lighting industry since 1914
- Inventor of the Xenon HID lights
- The choice of all leading car manufacturers