LH

Léonard HARTMANN

EI Essilor International: 2 patents #195 of 646Top 35%
📍 Charenton-le-Pont, MO: #1 of 1 inventorsTop 100%
Overall (All Time): #904,131 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12245809 Optometry device for testing an individual's eye and associated method Stéphane BOUTINON, Bernard Brechemier, Mai-Lan Elodie Boytard 2025-03-11
10306119 Ophthalmic lens centring-blocking apparatus David Tang, Guilhem Escalier, Stéphane BOUTINON, Michel Nauche 2019-05-28
5636877 Swivel connection Michael J. Purvis, Gerald L. Rogers 1997-06-10
5451031 Quick-connect-disconnect non-mar coupling Michael J. Purvis, Gerald L. Rogers 1995-09-19
4919334 Blow gun assembly Michael E. Weller 1990-04-24