WS

Wilhelm Scharpey

SA Swiss Aluminium: 3 patents #47 of 286Top 20%
Overall (All Time): #1,675,977 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4683046 Reduction pot for the production of aluminum Rudolf Pawlek 1987-07-28
4673481 Reduction pot 1987-06-16
4548692 Reduction pot 1985-10-22