Etienne Billant — 1 Patent in 2021

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

Cosne-Cours-sur-Loire, FR: #4 of 5 inventorsTop 80%

Overall (2021): #461,060 of 548,734Top 85%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11198594	Elevator car apron	Frederic Beauchaud, Guillaume Trouvain	2021-12-14