Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434324 | Reversal of connections of telegraphic line wires upon detection of unwanted polarity of the loop current | Mario Lorenzi | 1984-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434324 | Reversal of connections of telegraphic line wires upon detection of unwanted polarity of the loop current | Mario Lorenzi | 1984-02-28 |