BW

Benjamin J. Watson

OE Otis Elevator: 1 patents #73 of 258Top 30%
Overall (2023): #505,868 of 537,848Top 95%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11591188 Elevator system roping arrangement Daryl J. Marvin 2023-02-28