Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807564 | Panic button IP device | Samuel N. Zellner, Mark J. Enzmann | 2004-10-19 |
| 6799049 | System and method for tracking movement of a wireless device | Samuel N. Zellner, Mark J. Enzmann | 2004-09-28 |
| 6748052 | Multimedia emergency services | Samuel N. Zellner, Mark J. Enzmann | 2004-06-08 |
| 6738808 | Anonymous location service for wireless networks | Samuel N. Zellner, Mark J. Enzmann | 2004-05-18 |
| 6687242 | Method and system for providing additional information to a subscriber based on a universal resource locator | Mark J. Enzmann, Samuel N. Zellner | 2004-02-03 |
| 6675017 | Location blocking service for wireless networks | Samuel N. Zellner, Mark J. Enzmann | 2004-01-06 |