Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867557 | Remotely controlled communication line diagnostic apparatus and method | Anthony G. D'Andrea | 1999-02-02 |
| 5661776 | Method and apparatus for performing impedance measurements on a communication line | — | 1997-08-26 |
| 5550894 | Device for sequentially altering a communication line for remote diagnostic checks | — | 1996-08-27 |