Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890058 | Arrangement for measuring the slip of electric induction motors | Reinhard Wedekind, Reinhard Maier | 1989-12-26 |
| 4811154 | Apparatus for rapid recognition of short-circuits | Reinhard Maier, Thomas Nippert | 1989-03-07 |