Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5166599 | Multimeter with at least three input connections and means for preventing errors due to the selection of an incorrect input connection | Karl Hochreuther, Gunter Roppelt, Herbert Ziegler, Robert Kindermann | 1992-11-24 |