RM

Roger S. Marshall

TS Telecommunication Systems: 4 patents #4 of 71Top 6%
📍 Auburn, WA: #2 of 51 inventorsTop 4%
🗺 Washington: #449 of 8,555 inventorsTop 6%
Overall (2011): #22,535 of 364,097Top 7%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8059789 Automatic location identification (ALI) emergency services pseudo key (ESPK) John Gordon Hines, Jonathan Croy 2011-11-15
7929530 Ancillary data support in session initiation protocol (SIP) messaging Yinjun Zhu 2011-04-19
7912446 Solutions for voice over internet protocol (VoIP) 911 location services Yinjun Zhu, Richard Dickinson, Steven P. Helme 2011-03-22
7903791 Enhanced E911 location information using voice over internet protocol (VoIP) Richard Dickinson, Steven P. Helme 2011-03-08