Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245233 | Electric stepping motor for two directions of rotation | — | 1993-09-14 |
| 5059934 | Cross-coil rotary magnet device | — | 1991-10-22 |
| 5054009 | Motor, in particular, for driving a clockwork | — | 1991-10-01 |
| 4973867 | Stepping motor drive | — | 1990-11-27 |
| 4727263 | Electromotive setting device | — | 1988-02-23 |
| 4680514 | Motor | — | 1987-07-14 |
| 4455499 | Two-phase stepping motor | — | 1984-06-19 |
| 4340828 | Single phase stepping motor | Jean-Francois Schwab | 1982-07-20 |
| 4267472 | Single phase stepping motor, particularly for clocks | Jean-Francois Schwab | 1981-05-12 |
| 4250576 | Electric clock | Norbert Reiferscheid | 1981-02-10 |
| 4233680 | Electric clock | Peter Kupferschmidt, Jean-Francois Schwab | 1980-11-11 |
| 4217509 | Single phase stepping motor | — | 1980-08-12 |
| 4206375 | Single phase stepping motor | — | 1980-06-03 |
| 4206376 | Single phase stepping motor | Jean-Francois Schwab | 1980-06-03 |
| 4206377 | Single phase stepping motor | — | 1980-06-03 |
| 4201929 | Single phase stepping motor | Walter Happel | 1980-05-06 |