HF

Hans Fenner

Overall (All Time): #2,344,840 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4696287 Transmission system for implanted hearing aids Guenther Hortmann, Klaus Kunick 1987-09-29
4203623 Bus construction Wilhelm Auwarter, Karl-Heinz Stark 1980-05-20