PS

Peter Schonhardt

DF Dieter Grasslin Feinwerktechnik: 2 patents #3 of 8Top 40%
📍 St. Georgen, DE: #55 of 115 inventorsTop 50%
Overall (All Time): #2,365,828 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4320480 Switch chain with switch riders for switch clocks — 1982-03-16
4224484 Time switching device Wolfgang Haas 1980-09-23