Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8049780 | Correction of calibration errors in an optical instrument | Volkmar Hofmann, Matthias Menzel | 2011-11-01 |
| 7969586 | Electronic leveling apparatus and method | Bernd Donath | 2011-06-28 |