Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10492676 | Phoropter, and method for measuring refraction using a phoroptor of said type | Stéphane BOUTINON, Michel Nauche | 2019-12-03 |
| 10278573 | Corrective eyeglasses and method for subjective refraction by a wearer of said eyeglasses | Stéphane BOUTINON, Michel Nauche | 2019-05-07 |