Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820343 | Device of and method for visual fixation of signal markers on surveying surfaces | Armin Spiegel | 2004-11-23 |
| 6754969 | Self-leveling constructional laser | — | 2004-06-29 |
| 6704097 | Optoelectronic distance measuring device and operating method determined therefor | Manfred Ammann | 2004-03-09 |