Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781880 | Axial damper | Gunnar Schmidt | 2020-09-22 |
| 10598247 | Valve for hydraulic damper | Gunnar Schmidt, Joerg Bernert | 2020-03-24 |
| 9559664 | Electrical apparatus with a filter for suppressing interference signals | Bernd Trageser | 2017-01-31 |
| 8251338 | Constant bearer | Hans-Herlof Hardtke | 2012-08-28 |
| 7861983 | Cold-insulated fixed-point support | Ashley Challenor | 2011-01-04 |
| 4913572 | Reloadable ribbon cassette for typewriters or office machines of similar construction | Rolf Behrens, Hermann Jendricke, Manfred Sauer, Klaus-Dieter Frerichs, Alfred Keiter +2 more | 1990-04-03 |
| 4854755 | Reloadable ribbon cassette system | Hans-Peter Heins, Hermann Jendricke | 1989-08-08 |
| 4813072 | Switching device for power supply to additional accessories for a telephone | Klaus M. Moses | 1989-03-14 |
| 4780010 | Ribbon spools for a reloadable cassette for a typewriter or similar office machine | Rolf Behrens, Hermann Jendricke, Manfred Sauer, Klaus-Dieter Frerichs, Alfred Keiter +2 more | 1988-10-25 |
| 4689680 | Circuit arrangement for generating clamping pulses | Peter Bahrle | 1987-08-25 |
| 4543042 | Windmill rotor | — | 1985-09-24 |
| 4500219 | Method and apparatus for guiding the paper in typewriters or similar office machines | Albert Rix, Dieter Drogi | 1985-02-19 |