WB

Willi Birnstiel

📍 Pfungstadt, DE: #102 of 182 inventorsTop 60%
Overall (All Time): #3,985,159 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4705576 Acidic chromium containing coating solution for zinc or cadmium surfaces Klaus-Peter Klos, Karl-Heinz Lindemann 1987-11-10