Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615225 | Remote measurement unit containing integrated line measurement and conditioning functionality for performing remotely commanded testing and conditioning of telephone line circuits | Derek G. Foster, Edward K. W. Siu, Michael Kennedy, Onofrio Schillaci, Alex Knight | 1997-03-25 |
| 5440610 | Mechanism for controlling operation of telephone metallic loop measurement device in dependence upon rate of settling of telephone line voltage | Onofrio Schillaci, Steve R. Coffelt, Edward K. W. Siu | 1995-08-08 |
| 5115462 | Remotely controlled apparatus for conditioning telephone line exclusive of metallic DC bypass pair | Michael Kennedy, Aaron Chan | 1992-05-19 |
| 5103473 | Telephone system communication mechanism employing central office sleeve lead | Leslie A. Sullins, Michael D. Horton | 1992-04-07 |
| 4841560 | Direct access test unit for central office | Aaron Chan, Leslie Shafto | 1989-06-20 |
| 4670898 | Direct access test unit for central office | Leonard E. Curtin, Aaron Chan, Steven R. Coffelt | 1987-06-02 |