WR

Wolfgang Ruyters

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
📍 Ratingen, DE: #274 of 508 inventorsTop 55%
Overall (All Time): #3,819,743 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5195364 Method and apparatus for testing the hardness of a workpiece by the penetration method Hans-Jurgen Dehe, Heinz Bosebeck 1993-03-23