Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545828 | Optical device with absorption gradient and selective spectral filtering and lens assembly and camera fitted with such a device | Joachim Grupp | 2003-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545828 | Optical device with absorption gradient and selective spectral filtering and lens assembly and camera fitted with such a device | Joachim Grupp | 2003-04-08 |