1
Erik L Wallace, Walter Weichselbaumer, Daniel J Hronek, Mark Titus, Dara Ung: Mobile activity status tracker. TeleCommunication Systems, September 19, 2006: US07110773 (149 worldwide citation)

A technique and apparatus to provide status tracking of presence and/or location of a mobile, wireless device to a requesting entity even outside of a particular wireless system. This allows wireless service providers the ability to monitor and log changes in the status of mobile stations within and ...


2
Erik L Wallace, Walter Weichselbaumer, Daniel J Hronek, Mark Titus, Dara Ung: Mobile activity status tracker. TeleCommunication Systems, William H Bollman, February 22, 2011: US07894825 (7 worldwide citation)

A technique and apparatus to provide status tracking of presence and/or location of a mobile, wireless device to a requesting entity even outside of a particular wireless system. This allows wireless service providers the ability to monitor and log changes in the status of mobile stations within and ...


3
Erik L Wallace, Walter Weichselbaumer, Daniel J Hronek, Mark Titus, Dara Ung: Mobile activity status tracker. TeleCommunication Systems, William H Bollman, January 19, 2016: US09241040

A technique and apparatus to provide status tracking of presence and/or location of a mobile, wireless device to a requesting entity even outside of a particular wireless system. This allows wireless service providers the ability to monitor and log changes in the status of mobile stations within and ...


4
Erik L Wallace, Walter Weichselbaumer, Daniel J Hronek, Mark Titus, Dara Ung: Mobile activity status tracker. Telecommunication Systems, Tarolli Sundheim Covell & Tummino, October 11, 2016: US09467844

A technique and apparatus to provide status tracking of presence and/or location of a mobile, wireless device to a requesting entity even outside of a particular wireless system. This allows wireless service providers the ability to monitor and log changes in the status of mobile stations within and ...


5
Erik L Wallace, Walter Weichselbaumer, Daniel J Hronek, Mark Titus, Dara Ung: Mobile activity status tracker. Manelli Denison & Selter Pllc, January 24, 2008: US20080019335-A1

A technique and apparatus to provide status tracking of presence and/or location of a mobile, wireless device to a requesting entity even outside of a particular wireless system. This allows wireless service providers the ability to monitor and log changes in the status of mobile stations within and ...


6
Erik L Wallace, Walter Weichselbaumer, Daniel J Hronek, Mark Titus, Dara Ung: Mobile activity status tracker. June 16, 2011: US20110141903-A1

A technique and apparatus to provide status tracking of presence and/or location of a mobile, wireless device to a requesting entity even outside of a particular wireless system. This allows wireless service providers the ability to monitor and log changes in the status of mobile stations within and ...