PR

Patrice Renan

ED Essilor International Cie Generale D'Optique: 2 patents #12 of 88Top 15%
Overall (All Time): #2,340,649 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4640055 Grinding machine for guided or non-guided beveling or grooving of an ophthalmic lens Suzan Badin, Jean-Francois Moulin, Luc Delattre 1987-02-03
4626088 Ocular parameter measuring device with digitally controlled virtual graticules Christian Joncour, Alain Pierre, Jean-Louis Roumegoux, Francoise Richard, by Jacques M. G. Richard, heir +2 more 1986-12-02