Patents/Inventors

David Escaich

Charenton-le-PontFR3 patents

4 Patents

US120725592024
Electrically-controlled Optical Device with a Front Shell
Essilor International
0 cites
US115989782023
Optical Lens
Essilor International
0 cites
US115860562023
Spectacle Lens Comprising an Activable Optical Filter and Optical Equipment Comprising Such Spectacle Lens
Essilor International
0 cites
US115501682023
Optical Lens
Essilor International
0 cites