CR

Claus Ruther

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,989,581 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4567411 High frequency pulse width modulation Kurt A. Reimann, Bernd Ackermann, Ruediger Loeb 1986-01-28