WK

Wilhelmus Franciscus Maria Keijzer

FB Flamco B.V.: 1 patents #7 of 20Top 35%
📍 Zutphen, NL: #28 of 59 inventorsTop 50%
Overall (All Time): #3,535,269 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6343622 Flow-through connection member for an expansion tank Stephan Johannes Lutje Beekhuis 2002-02-05