Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440610 | Mechanism for controlling operation of telephone metallic loop measurement device in dependence upon rate of settling of telephone line voltage | Onofrio Schillaci, Ben A. Pierce, Edward K. W. Siu | 1995-08-08 |