AB

Andrew S. Bierer

OE Otis Elevator: 1 patents #64 of 199Top 35%
Overall (2024): #545,597 of 561,600Top 100%
1
Patents 2024

Issued Patents 2024

Patent #TitleCo-InventorsDate
12157657 Emergency stop system for elevator Ezhil Nanjappan 2024-12-03