Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160872 | Apparatus and method for preventing disconnection of consumer premises equipment | Mark J. Karnowski, Kevin Mullally | 2000-12-12 |
| 5826187 | Integrated cordless telephone with telephone answering device and method of replaying messages through a handset thereof | Kenneth R. Core, Alex Nirshberg, Mark J. Karnowski | 1998-10-20 |
| 5781613 | Telephone answering device and method for screening incoming telephone calls with blocked calling party identification information | Mark J. Karnowski | 1998-07-14 |
| 5768349 | Voice mail telephone answering device | Sanford M. Brown, III, Mark J. Karnowski | 1998-06-16 |
| 5646979 | Cordless telephone with voice announced calling party identification | — | 1997-07-08 |
| 5606598 | Telephone answering device with direct telephone line interface | Mark J. Karnowski | 1997-02-25 |
| 5588046 | Digital telephone answering device and method of testing message storage memory therein | Sanford M. Brown, III, Mark J. Karnowski | 1996-12-24 |
| 5577104 | Method for system and message activation based on distinctive ringing | Mark J. Karnowski, James W. Mazzolini, Sanford M. Brown, III | 1996-11-19 |
| 5432844 | Shared line answering system with enhanced extension device features | Kenneth R. Core, Mark J. Karnowski | 1995-07-11 |
| 5418839 | Environmental adaptive mechanism for channel utilization in cordless telephones | Oded Yossifor, Kenneth R. Core | 1995-05-23 |
| 5406618 | Voice activated, handsfree telephone answering device | James W. Mazzolini, Pierluigi Pacciardi | 1995-04-11 |
| 5400393 | Voice mail digital telephone answering device | Sanford M. Brown, III, Mark J. Karnowski | 1995-03-21 |
| 5392332 | Shared line telephone answering system with a telephone line-powered disconnect module | Kenneth R. Core, Mark J. Karnowski | 1995-02-21 |
| 5197093 | Enviromental adaptive mechanism for channel utilization in cordless telephones | Oded Yossifor, Kenneth R. Core | 1993-03-23 |