Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513173 | Data link access unit for T1 spans supporting the extended superframe format (ESF) | Kevin S. Machemer | 1996-04-30 |
| 5034978 | Universal channel unit switchable between two wire and four wire configurations | Ninh T. Nguyen, Terry D. Bolinger | 1991-07-23 |
| 4230913 | Line concentrator | Gene A. Brothers, Patrick W. Kieffe | 1980-10-28 |