WK

Walfrida G. E. Kuibers-Kiewik

WB Wavin B.V.: 1 patents #37 of 114Top 35%
Overall (All Time): #4,054,794 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4394501 Composition for preventing plate out in extrusion equipment Johannes Akkerman, Johan Gons 1983-07-19