BS

Bryan Robert Siewert

OE Otis Elevator: 1 patents #100 of 260Top 40%
Overall (2019): #522,472 of 560,194Top 95%
1
Patents 2019

Issued Patents 2019

Patent #TitleCo-InventorsDate
10189679 Elevator car power supply Tadeusz Pawel Witczak, Wojciech Szelag, Cezary Jedryczka, Zbigniew Piech 2019-01-29