FW

Frank Wiegand

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,197,538 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8123373 People conveyor glass balustrade lighting Andreas Vogt, Frank Kirchhoff, Bernward Engelke 2012-02-28