RM

Roger S. Marshall

TS Telecommunication Systems: 32 patents #3 of 236Top 2%
📍 Auburn, WA: #9 of 480 inventorsTop 2%
🗺 Washington: #2,341 of 76,902 inventorsTop 4%
Overall (All Time): #113,493 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
8185087 Emergency 911 data messaging Donald L. Mitchell, Jr., Yinjun Zhu, Myron D'Souza 2012-05-22
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
7260186 Solutions for voice over internet protocol (VoIP) 911 location services Yinjun Zhu, Richard Dickinson, Steven P. Helme 2007-08-21
6940950 Enhanced E911 location information using voice over internet protocol (VoIP) Richard Dickinson, Steven P. Helme 2005-09-06