Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517502 | Load monitoring circuit for electric motors | Hans-Joachim Aschoff | 1985-05-14 |
| 4418342 | Method of and a circuit for indicating the optimum adjustment of the working position of a brush roller in an electrically operated floor cleaning appliance | Hans-Joachim Aschoff | 1983-11-29 |