Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156245 | Method and system for verifying modem status | Joseph J. Knudsen | 2012-04-10 |
| 7792937 | Method and system for verifying modem status | Joseph J. Knudsen | 2010-09-07 |
| 6947980 | Method and system for verifying modem status | Joseph J. Knudsen | 2005-09-20 |