WD

Willem Sjoerd Dijkstra

Koniniklijke Philips N.V.: 1 patents #4,025 of 7,486Top 55%
📍 Witmarsum, NL: #1 of 1 inventorsTop 100%
Overall (All Time): #3,182,393 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8572790 Power dental cleaning appliance with actuator system for producing a short bristle stroke Hendrik Richard Jousma, Michiel Allan Aurelius Schallig 2013-11-05