Lifeng Chao — 1 Patent in 2021

OEOtis Elevator: 1 patents #88 of 253Top 35%

Cheshire, CT: #23 of 57 inventorsTop 45%

Connecticut: #1,399 of 4,045 inventorsTop 35%

Overall (2021): #361,884 of 548,734Top 70%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11104545	Elevator safety actuator systems	—	2021-08-31