DG

Dirk Gerdau

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,559,632 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6460679 Automatically adjusting escalator handrail system Andreas Stuffel, Uwe Hauer 2002-10-08