Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960071 | Inhibiting completion of defrauding calls | — | 1999-09-28 |
| 5905784 | Method for silently alerting inbound-only telemetry interface units | Stuart Mandel Garland | 1999-05-18 |
| 5841845 | Dialing plan for special access applications such as telemetry systems | Stuart Mandel Garland | 1998-11-24 |
| 5825849 | Loop-back test system using a suppressed ringing connection | Stuart Mandel Garland | 1998-10-20 |
| 5812656 | System for providing prioritized connections in a public switched network | Stuart Mandel Garland | 1998-09-22 |
| 5802155 | Method and apparatus for controlling regular and supressed ringing connections in a telecommunications network | Stuart Mandel Garland | 1998-09-01 |
| 5742667 | Notification of toll free call charging status | — | 1998-04-21 |
| 5730065 | Console support table for automobiles | — | 1998-03-24 |
| 5721765 | Personal identification number security system incorporating a time dimension | — | 1998-02-24 |
| 5710807 | Method for recording non-communication intervals during a communications call | — | 1998-01-20 |
| 5606593 | Apparatus and method for automatically returning a telephone set to an on-hook condition | — | 1997-02-25 |
| 5559871 | Call charge control and notification | — | 1996-09-24 |
| 5450123 | Method to enhance voice communications using encoded one-way video signals under bi-directional user or network control for transmitting stored or real-time video or image information | — | 1995-09-12 |
| D262317 | External cardiac pacemaker | — | 1981-12-15 |