JV

Johannes J.H. Verberg

📍 Zierikzee, NL: #3 of 13 inventorsTop 25%
Overall (All Time): #2,260,484 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5753779 Chromium-free coating preparation for the treatment of metal surfaces and method making use thereof — 1998-05-19
5632828 Coating preparation for pretreating metal surfaces, and method employing said preparation — 1997-05-27