Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7676215 | Emergency call back method | Douglas Rollender | 2010-03-09 |
| 7565130 | Emergency intersystem paging for emergency call back | Douglas Rollender | 2009-07-21 |
| 7302250 | Method of recognizing fraudulent wireless emergency service calls | Douglas Rollender | 2007-11-27 |
| 7174149 | Method and system for indirectly establishing a call | Douglas Rollender | 2007-02-06 |
| 7127244 | System and method for delivering incoming calls to mobile units in border cells using packet-based links | — | 2006-10-24 |
| 7058389 | Method for processing emergency calls initiated by wireless phones | Stuart O. Goldman, Douglas Rollender | 2006-06-06 |
| 6230025 | System and method for selectively distributing parameters in a mobile communication network | Michael A. Garner | 2001-05-08 |