RB

Ronald de Bruin

Overall (All Time): #3,541,684 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6375073 Method for crediting or recrediting a data card with a given amount Paul Aebi, Andreas Martschitsch, Rudolf Ritter 2002-04-23