Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9718297 | Security element for security papers, value documents or the like | — | 2017-08-01 |
| 9557461 | Two-dimensionally periodic, color-filtering grating | Manfred Heim | 2017-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9718297 | Security element for security papers, value documents or the like | — | 2017-08-01 |
| 9557461 | Two-dimensionally periodic, color-filtering grating | Manfred Heim | 2017-01-31 |