Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680391 | Arrangement for testing telephone subscriber line circuit via B- | Onofrio Schillaci | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680391 | Arrangement for testing telephone subscriber line circuit via B- | Onofrio Schillaci | 1997-10-21 |