CJ

Cornelis O. Jonkers

Overall (All Time): #3,904,916 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4933073 Drum for separating castings and molding sand or the like Jan Koel 1990-06-12