Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806854 | Current draw and power consumption display circuit | Klaus Hirrlinger | 1989-02-21 |
| 4338552 | Automatic control system for d-c motor | Karl Pilz, Wolfgang Grater | 1982-07-06 |