JR

Johannes Henderikus Rikhof

HA Hts Hans Torgersen & Sønn As: 1 patents #8 of 14Top 60%
📍 Beuningen, NL: #29 of 53 inventorsTop 55%
Overall (All Time): #3,217,487 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8235464 Child seat Hendricus Johannes Vertegaal, Willem Mees Van Der Bijl, Rob Heinemeijer 2012-08-07