KH

Kurt Hefti

FA Franz Buttner Ag: 1 patents #2 of 11Top 20%
Overall (All Time): #4,011,099 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4502801 Ribbon cassette for word processors, printers and typewriters Stefan Wirth 1985-03-05