Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5579929 | Holder for rod-shaped workpieces | — | 1996-12-03 |
| 5452810 | Holder for rod-shaped workpieces | — | 1995-09-26 |
| 5197020 | Wave digital filter composed of delays and n-port adaptors | — | 1993-03-23 |
| 4726041 | Digital filter switch for data receiver | Bernd Prohaska, Rudolf Winkelmann, Gerhard Zettl | 1988-02-16 |
| 4340831 | Brush holder for fractional horsepower motors | Gerhard Kuhlmann, Ernst Kranzler, Gerhard Baer, Kurt Ruetsch, Hansruedi Ramseier +3 more | 1982-07-20 |