RW

Rolf Wetzel

KG Krupp Koppers Gmbh: 1 patents #3 of 19Top 20%
📍 Heiligenhaus, DE: #5 of 6 inventorsTop 85%
Overall (1989): #60,475 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4797198 Process for the working up of salvage oil Hubert Coenen, Winfried Kreuch 1989-01-10