Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9860224 | Systems and methods for secured entry of user authentication data | — | 2018-01-02 |
| 6608889 | Telephone having convenience feature data transfer capability | Charles W. Berthoud, Paul Joseph Davis, Jeffrey P. Grundvig, Mohd Majed Hobbi, Lakshmi Narayana Jampanaboyana | 2003-08-19 |
| 6370236 | Remotely operable telephone answering device and method of operation thereof | Joseph M. Cannon, James A. Johanson | 2002-04-09 |
| 4806801 | TTL compatible CMOS input buffer having a predetermined threshold voltage and method of designing same | Pramod Vasant Argade | 1989-02-21 |