Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9918193 | Hybrid electronic navigation and invitation system | Long D. Nguyen, Allan M. Greenspan | 2018-03-13 |
| 6873965 | On-line method and apparatus for collecting demographic information about a user of a world-wide-web site and dynamically selecting questions to present to the user | Daniel Feldman, Brad Chesman | 2005-03-29 |
| 6594638 | On-line method and apparatus for collecting demographic information about a user of a world-wide-web site and dynamically selecting questions to present to the user | Daniel Feldman, Brad Chesman | 2003-07-15 |
| 5280523 | Telephone line message waiting and ring indicator | — | 1994-01-18 |