DC

Denis Cho

OE Otis Elevator: 1 patents #32 of 88Top 40%
📍 Campinas, BR: #1 of 9 inventorsTop 15%
Overall (1997): #160,433 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5645156 Device for monitoring escalator handrail speed Vlad Zaharia 1997-07-08