SE

Siegfried Eppinger

MA Matth. Hohner Ag: 1 patents #4 of 11Top 40%
Overall (All Time): #2,338,273 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4780701 Potentiometer device 1988-10-25
4765218 Electronic keyboard musical instrument with processing of depression dynamics 1988-08-23