JR

Jan Ruhnke

OE Otis Elevator: 1 patents #94 of 284Top 35%
Overall (2022): #414,455 of 548,613Top 80%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11267677 Elevator electrical safety actuator control Helge Krambeck 2022-03-08