Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7429866 | System and method for resistance measurement | — | 2008-09-30 |
| 7400151 | Connector crosstalk and return loss cancellation | — | 2008-07-15 |
| 6385030 | Reduced signal loss surge protection circuit | — | 2002-05-07 |
| 6108183 | Current limiter | — | 2000-08-22 |
| 5260996 | Current limited electronic ringing generator | Philip L. Dillon | 1993-11-09 |
| 4343971 | Subscriber drop circuit for controlling drop current with load and maximizing power usage | — | 1982-08-10 |
| 4309676 | Instantaneous compressor and instantaneous expandor | Hubert C. Martin, Jr. | 1982-01-05 |