AE

Arnd Ehrhardt

DK Dehn + Söhne Gmbh + Co. Kg: 2 patents #1 of 11Top 10%
Overall (2017): #169,878 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9780553 Overvoltage protection device with short-circuit function for protecting installations and persons Jens Ehrler, Klaus Buehler 2017-10-03
9691560 Single- or multi-pole switching device, in particular for DC applications Peter Zahlmann, Stefanie Schreiter, Michael Rock 2017-06-27