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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:043986/0250   Pages: 9
Recorded: 10/30/2017
Attorney Dkt #:353418-4
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 23
1
Patent #:
7415284
Issue Dt:
08/19/2008
Application #:
10932665
Filing Dt:
09/02/2004
Publication #:
US20060046757
Pub Dt:
03/02/2006
Title:
METHODS OF TRANSMITTING A MESSAGE TO A MESSAGE SERVER IN A PUSH-TO-TALK NETWORK
2
Patent #:
7417943
Issue Dt:
08/26/2008
Application #:
11009899
Filing Dt:
12/10/2004
Publication #:
US20060034212
Pub Dt:
02/16/2006
Title:
DYNAMIC COMPRESSION TRAINING METHOD AND APPARATUS
3
Patent #:
7558286
Issue Dt:
07/07/2009
Application #:
11022268
Filing Dt:
12/24/2004
Publication #:
US20060088065
Pub Dt:
04/27/2006
Title:
METHOD OF SCHEDULING DATA AND SIGNALING PACKETS FOR PUSH-TO-TALK OVER CELLULAR NETWORKS
4
Patent #:
7155248
Issue Dt:
12/26/2006
Application #:
11022273
Filing Dt:
12/24/2004
Publication #:
US20060089167
Pub Dt:
04/27/2006
Title:
SYSTEM AND METHOD FOR INITIATING PUSH-TO-TALK SESSIONS BETWEEN OUTSIDE SERVICES AND USER EQUIPMENT
5
Patent #:
7324505
Issue Dt:
01/29/2008
Application #:
11127911
Filing Dt:
05/11/2005
Publication #:
US20060140173
Pub Dt:
06/29/2006
Title:
SUSTAINED VOIP CALL LOGS USING POC CONTACT LISTS
6
Patent #:
9467488
Issue Dt:
10/11/2016
Application #:
11127912
Filing Dt:
05/11/2005
Publication #:
US20060183491
Pub Dt:
08/17/2006
Title:
Reducing size of messages over the cellular control channel
7
Patent #:
7359725
Issue Dt:
04/15/2008
Application #:
11283131
Filing Dt:
11/18/2005
Publication #:
US20060116150
Pub Dt:
06/01/2006
Title:
PUSH-TO-TALK APPARATUS AND METHOD FOR COMMUNICATION BETWEEN AN APPLICATION SERVER AND MEDIA RESOURCE FUNCTION PROCESSOR
8
Patent #:
9485686
Issue Dt:
11/01/2016
Application #:
11367560
Filing Dt:
03/03/2006
Publication #:
US20060199594
Pub Dt:
09/07/2006
Title:
Restructuring data packets to improve voice quality at low bandwidth conditions in wireless networks
9
Patent #:
7499720
Issue Dt:
03/03/2009
Application #:
11601117
Filing Dt:
11/16/2006
Publication #:
US20070142073
Pub Dt:
06/21/2007
Title:
SYSTEM AND METHOD FOR INITIATING PUSH-TO-TALK SESSIONS BETWEEN OUTSIDE SERVICES AND USER EQUIPMENT
10
Patent #:
9615352
Issue Dt:
04/04/2017
Application #:
11696866
Filing Dt:
09/26/2007
Publication #:
US20080248792
Pub Dt:
10/09/2008
Title:
MEDIA TRANSMISSION BEFORE FLOOR GRANT IN REAL TIME COMMUNICATION NETWORK
11
Patent #:
7707286
Issue Dt:
04/27/2010
Application #:
11747480
Filing Dt:
05/11/2007
Publication #:
US20070288621
Pub Dt:
12/13/2007
Title:
METHODS FOR MANAGING PRESENCE INFORMATION IN A REAL-TIME COMMUNICATIONS NETWORK
12
Patent #:
8862746
Issue Dt:
10/14/2014
Application #:
11750240
Filing Dt:
05/17/2007
Publication #:
US20070276947
Pub Dt:
11/29/2007
Title:
SYSTEMS AND METHODS FOR INTEGRATING APPLICATIONS ON USER EQUIPMENT UTILIZING SPECIAL URI CONTROL MESSAGES
13
Patent #:
9247398
Issue Dt:
01/26/2016
Application #:
11934216
Filing Dt:
11/02/2007
Publication #:
US20090117887
Pub Dt:
05/07/2009
Title:
METHODS FOR BARGING USERS ON A REAL-TIME COMMUNICATIONS NETWORK
14
Patent #:
9246924
Issue Dt:
01/26/2016
Application #:
11955767
Filing Dt:
12/13/2007
Publication #:
US20090157799
Pub Dt:
06/18/2009
Title:
METHOD FOR SHARING SERVICE IDENTITY AMONG MULTIPLE CLIENT DEVICES IN A REAL-TIME COMMUNICATIONS NETWORK
15
Patent #:
NONE
Issue Dt:
Application #:
13764913
Filing Dt:
02/12/2013
Publication #:
US20140228074
Pub Dt:
08/14/2014
Title:
Embedded Accessory for Mobile Devices
16
Patent #:
NONE
Issue Dt:
Application #:
14162321
Filing Dt:
01/23/2014
Publication #:
US20150207661
Pub Dt:
07/23/2015
Title:
SYSTEM AND METHOD FOR PROVIDING PRIORITY BASED ACCESS TO RESOURCES FOR APPLICATIONS
17
Patent #:
NONE
Issue Dt:
Application #:
14634420
Filing Dt:
02/27/2015
Publication #:
US20160255157
Pub Dt:
09/01/2016
Title:
INITIATING COMMUNICATION SESSION USING PREFERRED MODE OF COMMUNICATION WHILE MAINTAINING CONFIDENTIALITY
18
Patent #:
9736660
Issue Dt:
08/15/2017
Application #:
15260006
Filing Dt:
09/08/2016
Publication #:
US20160381529
Pub Dt:
12/29/2016
Title:
REDUCING SIZE OF MESSAGES OVER THE CELLULAR CONTROL CHANNEL
19
Patent #:
D602456
Issue Dt:
10/20/2009
Application #:
29304338
Filing Dt:
02/28/2008
Title:
MOBILE COMMUNICATION DEVICE
20
Patent #:
D611022
Issue Dt:
03/02/2010
Application #:
29332401
Filing Dt:
02/13/2009
Title:
MOBILE COMMUNICATION DEVICE
21
Patent #:
D722991
Issue Dt:
02/24/2015
Application #:
29479919
Filing Dt:
01/21/2014
Title:
MOBILE PHONE
22
Patent #:
D752006
Issue Dt:
03/22/2016
Application #:
29479927
Filing Dt:
01/21/2014
Title:
MOBILE PHONE
23
Patent #:
D721348
Issue Dt:
01/20/2015
Application #:
29480634
Filing Dt:
01/28/2014
Title:
MOBILE PHONE
Assignor
1
SONIM TECHNOLOGIES, INC.
Exec Dt:
10/23/2017
Assignee
1
B. RILEY PRINCIPAL INVESTMENTS, LLC
21255 BURBANK BLVD., STE. 400
WOODLAND HILLS, CALIFORNIA 91367
Correspondence name and address
DLA PIPER LLP (US)
401 B STREET, SUITE 1700
SAN DIEGO, CA 92101

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