Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7379538 | Telephone answering device which notifies a user based on call related information received from a calling party | Syed S. Ali, Charles W. Berthoud | 2008-05-27 |
| 6795011 | Remote control help feature | Charles W. Berthoud, Lakshmi Narayana Jampanaboyana | 2004-09-21 |
| 6754317 | Telephony access using an email address | Charles W. Berthoud | 2004-06-22 |
| 6608889 | Telephone having convenience feature data transfer capability | Charles W. Berthoud, Paul Joseph Davis, Jeffrey P. Grundvig, Arupratan Gupta, Lakshmi Narayana Jampanaboyana | 2003-08-19 |
| 6393306 | Automatic clock setting | — | 2002-05-21 |
| 6289421 | Intelligent memory devices for transferring data between electronic devices | Syed S. Ali, Steven C. Szep | 2001-09-11 |
| 6191559 | Battery capacity calculator and method of calculating battery capacity | Charles W. Berthoud, Lakshmi Narayana Jampanaboyana | 2001-02-20 |