JR

Johannes J. de Rooy

📍 Driebergen-Rijsenburg, NL: #25 of 63 inventorsTop 40%
Overall (All Time): #2,293,708 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5303813 Sealing apron device for the loading trough of a belt conveyor 1994-04-19
4703869 Air cannon 1987-11-03