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Silvester Antonius Maria Steffens

📍 Broek op Langedijk, NL: #8 of 14 inventorsTop 60%
Overall (All Time): #3,126,025 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8837686 Real-time voice logging of telephone calls Victor Bastiaan Mosch, Lucas Lassche 2014-09-16