Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901201 | Switch-based line continuity verification method and system | — | 1999-05-04 |
| 5535267 | Telemetry system with improved verification of telemetry interface unit installation | — | 1996-07-09 |
| 5521964 | Visual message waiting indication in a telephone voice message system | Wayne R. Howe | 1996-05-28 |
| 5452343 | Telemetry access arrangement | Stuart Mandel Garland | 1995-09-19 |
| 5363431 | Visual message waiting indication in a telephone voice message system | Wayne R. Howe | 1994-11-08 |
| 5359641 | Telemetry system with suppressed ringing connection | James T. Soles | 1994-10-25 |
| 5243644 | Telemetry access arrangement | Stuart Mandel Garland | 1993-09-07 |