AH

Aldert J. M. van Hemmen

📍 Spaarndam, NL: #6 of 12 inventorsTop 50%
Overall (All Time): #3,868,065 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4986011 Cutting device with removable tools Cornelis Wempe, Martinus A. Balm 1991-01-22