Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7693137 | Multi-line appearance telephony via a computer network | Steven E. Gardell, Gregory C. Depp | 2010-04-06 |
| 7116656 | Multi-line appearance telephony via a computer network | Steven E. Gardell, Gregory C. Depp | 2006-10-03 |
| 6707797 | Multi-line telephony via network gateways | Steven E. Gardell, Barbara Mayne Kelly | 2004-03-16 |
| 6298062 | System providing integrated services over a computer network | Steven E. Gardell | 2001-10-02 |
| 6128304 | Network presence for a communications system operating over a computer network | Steven E. Gardell, Barbara Mayne Kelly, Rajiv Bhatnagar, Thomas J. Antell | 2000-10-03 |
| 6031896 | Real-time voicemail monitoring and call control over the internet | Steven E. Gardell, Rahul Chopra | 2000-02-29 |
| 4914701 | Method and apparatus for encoding speech | — | 1990-04-03 |
| 4748579 | Method and circuit for performing discrete transforms | Nigel P. Morgan | 1988-05-31 |