Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256352 | Needle journal bearing for a magnetically supported rotor shaft of a measuring instrument | Heinz Petrak, Martin Weinicke | 1981-03-17 |
| 4229795 | Electronic maximum measuring device | Wilhelm Sturzl | 1980-10-21 |