DD

Dieter Derdack

AS American Standard: 1 patents #290 of 558Top 55%
📍 Wittlich, DE: #141 of 242 inventorsTop 60%
Overall (All Time): #3,979,837 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4685487 Sanitary mixing valve Wilfried A. Delker 1987-08-11