Patents/Inventors

Ben Guo

West Hartford, CTUS3 patents

3 Patents

US125654012026
Elevator Switch Monitoring Device
OTIS ELEVATOR COMPANY
0 cites
US124210782025
Elevator Control System with Reliability Monitoring
OTIS ELEVATOR COMPANY
0 cites
US118763842024
Wireless Power Transfer Device
OTIS ELEVATOR COMPANY
0 cites