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Steven P. Helme
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Shoreline, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Solutions for voice over internet protocol (VoIP) 911 location serv...
Patent number
9,544,429
Issue date
Jan 10, 2017
TeleCommunication Systems, Inc.
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhanced E911 location information using voice over internet protoc...
Patent number
9,467,836
Issue date
Oct 11, 2016
TeleCommunication Systems, Inc.
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solutions for voice over internet protocol (VoIP) 911 location serv...
Patent number
9,237,228
Issue date
Jan 12, 2016
TeleCommunication Systems, Inc.
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhanced E911 location information using voice over internet protoc...
Patent number
8,873,718
Issue date
Oct 28, 2014
TeleCommunication Systems, Inc.
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solutions for voice over internet protocol (VoIP) 911 location serv...
Patent number
8,798,572
Issue date
Aug 5, 2014
TeleCommunication Systems, Inc.
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solutions for voice over internet protocol (VoIP) 911 location serv...
Patent number
8,385,881
Issue date
Feb 26, 2013
TeleCommunication Systems, Inc.
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless network location-based reference information
Patent number
8,032,166
Issue date
Oct 4, 2011
TeleCommunication Systems, Inc.
Joseph Pohutsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solutions for voice over internet protocol (VoIP) 911 location serv...
Patent number
7,912,446
Issue date
Mar 22, 2011
TeleCommunication Systems, Inc.
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhanced E911 location information using voice over internet protoc...
Patent number
7,903,791
Issue date
Mar 8, 2011
TeleCommunication Systems, Inc.
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless network location-based reference information
Patent number
7,904,100
Issue date
Mar 8, 2011
TeleCommunication Systems, Inc.
Joseph Pohutsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless network location-based reference information
Patent number
7,899,473
Issue date
Mar 1, 2011
TeleCommunications Systems, Inc.
Joseph Pohutsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solutions for voice over internet protocol (VoIP) 911 location serv...
Patent number
7,260,186
Issue date
Aug 21, 2007
TeleCommunication Systems, Inc.
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhanced E911 location information using voice over internet protoc...
Patent number
6,940,950
Issue date
Sep 6, 2005
TeleCommunication Systems, Inc.
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Solutions for Voice Over Internet Protocol (VoIP) 911 Location Serv...
Publication number
20150373488
Publication date
Dec 24, 2015
TeleCommunication Systems, Inc.
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Enhanced E911 Location Information Using Voice Over Internet Protoc...
Publication number
20150009900
Publication date
Jan 8, 2015
TeleCommunication Systems, Inc.
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Solutions for Voice Over Internet Protocol (VoIP) 911 Location Serv...
Publication number
20140286197
Publication date
Sep 25, 2014
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Solutions for Voice Over Internet Protocol (VoIP) 911 Location Serv...
Publication number
20130163589
Publication date
Jun 27, 2013
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Solutions for voice over internet protocol (VolP) 911 location serv...
Publication number
20110222441
Publication date
Sep 15, 2011
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Enhanced E911 location information using voice over internet protoc...
Publication number
20110149851
Publication date
Jun 23, 2011
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless network location-based reference information
Publication number
20110143780
Publication date
Jun 16, 2011
Joseph Pohutsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Solutions for voice over internet protocol (VoIP) 911 location serv...
Publication number
20090004999
Publication date
Jan 1, 2009
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless network location-based reference information
Publication number
20080051058
Publication date
Feb 28, 2008
Joseph Pohutsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Enhanced E911 location information using voice over internet protoc...
Publication number
20060280164
Publication date
Dec 14, 2006
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Solutions for voice over internet protocol (VoIP) 911 location serv...
Publication number
20050213716
Publication date
Sep 29, 2005
Yinjun Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Enhanced E911 location information using voice over internet protoc...
Publication number
20050135569
Publication date
Jun 23, 2005
Richard Dickinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless network location-based reference information
Publication number
20050020287
Publication date
Jan 27, 2005
Joseph Pohutsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE