Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11668659 | Apparatus and method for determining a double image angle and/or a viewing angle | Christian Ripperda, Paul Weigt | 2023-06-06 |
| 10289895 | Method and device for determining a three-dimensional distortion | Christian Ripperda | 2019-05-14 |
| 9818021 | Method for determining a local refractive power and device therefor | Christian Ripperda | 2017-11-14 |
| 9535002 | Device for inspecting a material provided with a coated surface and related method | — | 2017-01-03 |