Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731550 | Circuit having a feed circuit for supplying current to a load resistor | — | 1988-03-15 |
| 4629905 | Circuit arrangement comprising two feed circuits connectable to a load having mutually opposite poling | — | 1986-12-16 |
| 4489360 | Circuit for automatically closing a backup remote feed loop | Alfred Ziegler | 1984-12-18 |
| 4309577 | Circuit for closing the remote feed loop of a series-supplied repeater | Alfred Ziegler | 1982-01-05 |