DR

Douglas Rollender

AT AT&T: 17 patents #994 of 18,772Top 6%
Alcatel Lucent: 12 patents #1,243 of 4,169Top 30%
Overall (All Time): #131,971 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
9253629 Method of handling mobile station identifiers Karen Redell 2016-02-02
8116720 Method and apparatus for emergency call routing using an end node Stuart O. Goldman 2012-02-14
7970406 Method for transferring data 2011-06-28
7764944 Method of providing a unique call back number for wireless 9-1-1 calls 2010-07-27
7715821 Method of updating a unique call back number for a wireless emergency call 2010-05-11
7706773 System and method for managing communication services provided to a mobile terminal using a temporary wireless directory number 2010-04-27
7702308 Method of associating data with a call to a call center 2010-04-20
7676215 Emergency call back method Mary Chin 2010-03-09
7565130 Emergency intersystem paging for emergency call back Mary Chin 2009-07-21
7565131 Emergency call back through intersystem paging 2009-07-21
7480374 Emergency service call back to a ported number 2009-01-20
7471949 Process for migrating a mobile station identity from a mobile identification number to an international mobile station identity Karen Redell 2008-12-30
7352847 Optimized routing of VoIP emergency calls Stuart O. Goldman 2008-04-01
7302250 Method of recognizing fraudulent wireless emergency service calls Mary Chin 2007-11-27
7184746 Method and apparatus for providing network support for a wireless emergency call Deborah Barclay, Terry Jacobson 2007-02-27
7174149 Method and system for indirectly establishing a call Mary Chin 2007-02-06
7130384 End user device supported emergency 9-1-1 function Stuart O. Goldman 2006-10-31
7058389 Method for processing emergency calls initiated by wireless phones Mary Chin, Stuart O. Goldman 2006-06-06
6944451 Routing method for a call to a mobile telephone via global location register Arabinda Mukherjee 2005-09-13
6912389 Interworking and interoperability of GPRS systems with systems of other technology families Penny Lynne Bright, Kamal Verma 2005-06-28
6882839 One-way roaming from ANS-41 to GSM systems Terry Jacobson, Michael Marcovici 2005-04-19
6819921 Method of subscriber initiated porting of a wireless number for a mobile station Nick J. Mazzarella 2004-11-16
6810261 Method for transferring data using expanded permanent identifier 2004-10-26
6748227 Method for transferring data using permanent identifier including routing information 2004-06-08
6615045 Method for transferring data upon request using permanent identifier 2003-09-02