JL

Johannes Franciscus Lievers

📍 Vinkeveen, NL: #7 of 13 inventorsTop 55%
Overall (All Time): #3,581,825 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6231331 Vibratory screed device for levelling freshly poured concrete surfaces — 2001-05-15