Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5218635 | Low-frequency alternating current signal detector, in particular for central office line interface circuits | Andre Bonvallet, Robert Girard | 1993-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5218635 | Low-frequency alternating current signal detector, in particular for central office line interface circuits | Andre Bonvallet, Robert Girard | 1993-06-08 |