RD

Ralf Dahm

📍 Wermelskirchen, DE: #3 of 10 inventorsTop 30%
Overall (1989): #67,974 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855342 Coating material and its use as primer and extender Heinz Dietholf Becker, Klaus Bederke, Hermann Kerber, Fritz Sadowski, Werner Stephan 1989-08-08