Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9958988 | Method for optically detecting a fingerprint or an object, and device with at least one screen | — | 2018-05-01 |
| 8149408 | Device for measuring elevations and/or depressions in a surface | — | 2012-04-03 |
| 5202839 | Process for the storing of drawing data by means of a cad film-card laser plotter, a microfilm card and a cad film-card laser for its implementation | Ulrich Welp, Stephan Welp | 1993-04-13 |