Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11782293 | Progressive addition lens for myopia control and method of manufacturing the same | Ray Steven Spratt, Timo Kratzer, Gerhard Kelch, Siegfried Wahl | 2023-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11782293 | Progressive addition lens for myopia control and method of manufacturing the same | Ray Steven Spratt, Timo Kratzer, Gerhard Kelch, Siegfried Wahl | 2023-10-10 |