Issued Patents All Time
Showing 101–115 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7069319 | Anonymous location service for wireless networks | Samuel N. Zellner, Mark J. Enzmann | 2006-06-27 |
| 7010097 | Multimedia emergency services | Samuel N. Zellner, Mark J. Enzmann | 2006-03-07 |
| 6980815 | Wireless terminal locator | Mark J. Enzmann | 2005-12-27 |
| 6853708 | End-to-end network testing | Samuel N. Zellner, Mark J. Enzmann, Nathan T. Sargent | 2005-02-08 |
| 6839414 | Call prevention device and method | Mark J. Enzmann, Samuel N. Zellner | 2005-01-04 |
| 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 |
| 6567502 | Multimedia emergency services | Samuel N. Zellner, Mark J. Enzmann | 2003-05-20 |
| 6539384 | Browser on test equipment | Samuel N. Zellner, Nathan T. Sargent, Mark J. Enzmann | 2003-03-25 |
| 6516203 | Method and system for providing additional information to a subscriber based on a universal resource locator | Mark J. Enzmann, Samuel N. Zellner | 2003-02-04 |
| 6320946 | Information payphone | Mark J. Enzmann, Samuel N. Zellner | 2001-11-20 |