RH

Rolf E. Hanitsch

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,827,393 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5223680 Measuring elevator car position using ultrasound Claudia M. Schmidt-Milkau, Klaus Disterer 1993-06-29