Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10663764 | Spectacle lens and method for making the same | Ralf Meschenmoser, Timo Kratzer, Stephen Brown | 2020-05-26 |
| 10146064 | Apparatus and method for ascertaining a type of spectacle lens and apparatus and method for determining a refractive power distribution of a progressive spectacle lens | Konrad Saur, Ray Steven Spratt, Timo Kratzer | 2018-12-04 |
| 10088691 | Apparatus and method for ascertaining a type of spectacle lens and apparatus and method for determining a refractive power distribution of a progressive spectacle lens | Konrad Saur, Ray Steven Spratt, Timo Kratzer | 2018-10-02 |
| 6768581 | Coated lens exhibiting substantially balanced reflectance | Brandon Yip, Brian Douglas Adams | 2004-07-27 |
| 6682193 | Wide field spherical lenses and protective eyewear | Michael Alan Morris, Colin Maurice Perrott, Simon John Edwards, Ray Steven Spratt, David Lawrence Carr +3 more | 2004-01-27 |