BS

Bryan Robert Siewert

OE Otis Elevator: 1 patents #88 of 253Top 35%
Overall (2021): #510,178 of 548,734Top 95%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11001477 Elevator linear propulsion system with cooling device Ram Ranjan, Enrico Manes, Zbigniew Piech 2021-05-11