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Darrin Johnson
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Maple Valley, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Voice over internet protocol (VoIP) multi-user conferencing
Patent number
8,467,320
Issue date
Jun 18, 2013
TeleCommunication Systems, Inc.
Jon Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice over internet protocol (VoIP) location based 911 conferencing
Patent number
7,907,551
Issue date
Mar 15, 2011
TeleCommunication Systems, Inc.
Jon Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Voice over internet protocol (VoIP) location based 911 conferencing
Publication number
20110013541
Publication date
Jan 20, 2011
Jon Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice over internet protocol (VolP) location based 911 conferencing
Publication number
20100272242
Publication date
Oct 28, 2010
Jon Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Location object proxy broker
Publication number
20080267172
Publication date
Oct 30, 2008
John Gordon Hines
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Injection of location object into routing SIP message
Publication number
20080261619
Publication date
Oct 23, 2008
John Gordon Hines
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Location object proxy
Publication number
20080259908
Publication date
Oct 23, 2008
John Gordon Hines
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice over internet protocol (VoIP) location based commercial prosp...
Publication number
20080249796
Publication date
Oct 9, 2008
Jonathan A. Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Public service answering point (PSAP) proxy
Publication number
20070121798
Publication date
May 31, 2007
Jon Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice over Internet protocol (VoIP) location based 911 conferencing
Publication number
20070092070
Publication date
Apr 26, 2007
Jon Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice over internet protocol (VoIP) multi-user conferencing
Publication number
20070091831
Publication date
Apr 26, 2007
Jon Croy
H04 - ELECTRIC COMMUNICATION TECHNIQUE