WV

Wilhelmus G. H. Valkenburg

📍 Venlo, NL: #292 of 548 inventorsTop 55%
Overall (All Time): #4,070,502 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4332216 Procedure and arrangement for keeping livestock 1982-06-01