HR

Helmut Rettenmaier

SA Siemens Nixdorf Informationssysteme Ag: 2 patents #24 of 233Top 15%
📍 Großaitingen, DE: #8 of 21 inventorsTop 40%
Overall (All Time): #1,657,404 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5200886 Start-up for a switched-mode power supply Karl-Heinz Schwarz, Horst Bartussek 1993-04-06
5151851 Method and circuit arrangement for generating a sinusoidal line AC voltage from a DC voltage Peter Busch, Willi Sterzik 1992-09-29
5128852 Current-fed push-pull converter Peter Busch 1992-07-07