Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814695 | Measurement method for an electrical signal, series-parallel negative-feedback measuring circuit, as well as use of the method of the measuring circuit for measuring voltage sources with very-high-ohmage internal impedances | — | 1989-03-21 |