CC

Charles C. Coffin

OE Otis Elevator: 1 patents #73 of 258Top 30%
Overall (2023): #492,566 of 537,848Top 95%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11643301 System and method for monitoring sheave bearing condition Yan Chen, David R. Polak, Paul R. Braunwart, Zaffir A. Chaudhry 2023-05-09