Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7302047 | Method of detecting remote ground condition | Steven M. Robinson, James Michael Hawkins | 2007-11-27 |
| 7203159 | Line card-sourced ESF framing protection switch FDL signaling | Dennis B. McMahan | 2007-04-10 |
| 7023963 | DSL line card echo canceler-based mechanism for locating telecommunication line fault | Fred Chu, Dennis B. McMahan, James Ernest Owen | 2006-04-04 |
| 6999561 | Method of detecting remote ground condition | Steven M. Robinson, James Michael Hawkins | 2006-02-14 |