RW

Rainer Willing-Lepenies

DT Durferrit Gmbh Thermotechnik: 1 patents #6 of 11Top 55%
Overall (All Time): #3,680,488 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
5735971 Method for the Pre-treatment of steel parts prior to salt bath nitriding Georg Wahl 1998-04-07