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Stephan Ehrhardt

HD Heidelberg Druckmaschinen: 3 patents #425 of 1,510Top 30%
📍 Neulußheim, DE: #12 of 36 inventorsTop 35%
Overall (All Time): #1,479,334 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10000055 Method for operating a printing press 2018-06-19
8887635 Method for cleaning inking units in offset printing presses Bernd Maier 2014-11-18
7187464 Method and device for controlling a printing material processing machine Klaus Auer 2007-03-06