Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858153 | Method and apparatus for fixing an instantaneous measured value | Herbert Ziegler, Carl W. Clever | 1989-08-15 |
| 4795972 | Digital measuring method and apparatus for a quasi-analog measured value display | Herbert Schick | 1989-01-03 |