Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8472167 | High current clamping connector | Lance Buterbaugh | 2013-06-25 |
| 6751253 | Communication port-powered digital communication interface for upgrading software-reconfigurable test set | John Milligan, Roy A. Milligan | 2004-06-15 |
| 6466649 | Detection of bridged taps by frequency domain reflectometry | Wayne Wong | 2002-10-15 |
| 6362630 | Electronic test tag for wireline continuity verification | Alan Blair Lowell | 2002-03-26 |
| 6215854 | Digital signal processor-based telephone test set analyzing and displayed multiple signal parameter data for terminal mode and line monitor mode operation | — | 2001-04-10 |
| 5832058 | Test interface adapter emulating no test trunk interface for non-standard central office switch | Derek G. Foster | 1998-11-03 |
| 5621782 | Test interface adapter emulating on test trunk interface for non-standard central office switch | Derek G. Foster | 1997-04-15 |
| 5617466 | Mechanism for controllably enabling test set to assert off-hook condition on telephone line in dependence upon detection of prescribed voltage level and absence of data traffic | — | 1997-04-01 |