EN

Ezhil Nanjappan

OE Otis Elevator: 2 patents #46 of 253Top 20%
Overall (2021): #163,094 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11029810 Equipment service graphical interface 2021-06-08
10906776 Work area technician warning system 2021-02-02