Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493952 | Measuring device subjected to gravitational forces and having a pendulous suspension | Reinhard Waibel, Wilfried Piske | 2002-12-17 |
| 6421360 | Rotational constructional laser | Armin Spiegel | 2002-07-16 |