DT

David Tang

ED Essilor International (Compagnie Generale D'Optique): 2 patents #206 of 693Top 30%
Overall (All Time): #1,178,929 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10306119 Ophthalmic lens centring-blocking apparatus Guilhem Escalier, Stéphane BOUTINON, Michel Nauche, Léonard HARTMANN 2019-05-28
9751184 Ophthalmic-lens holder Bernard Brechemier, Stéphane BOUTINON 2017-09-05
9052253 Method of determining at least one refraction characteristic of an ophthalmic lens Stéphane BOUTINON 2015-06-09
8747187 Method for shaping an ophthalmic lens for eyeglasses Cedric Lemaire, Philippe Pinault 2014-06-10