PB

Peter Bettschart

CO Contraves: 1 patents #23 of 78Top 30%
Overall (All Time): #3,894,229 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4894499 Electric push-button switch Hans-Jurgen Beck, Heinz Waser 1990-01-16