Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823060 | Circuit arrangement for generating a measurement signal associated with the frequency of an alternating current signal | — | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823060 | Circuit arrangement for generating a measurement signal associated with the frequency of an alternating current signal | — | 1989-04-18 |