Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009977 | Method and system for expanding services in a digital loop carrier system | John C. Mantovani, Randy Holzworth | 2006-03-07 |
| 5737309 | Method and apparatus for interface communications in a tandem cross connect | Randy Holzworth, Larry A. Jackson | 1998-04-07 |
| 5642391 | Method and apparatus for monitoring channel performance on a channel using alternate mark inversion protocols | Larry A. Jackson, Larry D. Bishop | 1997-06-24 |
| 4805171 | Unitary PCM rate converter and multiframe buffer | — | 1989-02-14 |