Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5420651 | Refraction device for the subjective determination of the spherical and astigmatic sight properties of the eye | — | 1995-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5420651 | Refraction device for the subjective determination of the spherical and astigmatic sight properties of the eye | — | 1995-05-30 |