Raghavan Devanathan

Follow

Person

Plano, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
SIP-based feature control
- Patent number 7,779,072
- Issue date Aug 17, 2010
- Verizon Business Global LLC
- Steven R Donovan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
SIP-based feature control
- Patent number 6,615,236
- Issue date Sep 2, 2003
- WorldCom, Inc.
- Steven R. Donovan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless prepaid platform integration with standard signaling
- Patent number 6,453,158
- Issue date Sep 17, 2002
- MCI Communications Corporation
- Steven Donovan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of jetting up a call using a wireless prepaid platform integ...
- Patent number 6,292,656
- Issue date Sep 18, 2001
- MCI Communications Corporation
- Steven Donovan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless prepaid platform integration with standard signaling
- Patent number 6,075,982
- Issue date Jun 13, 2000
- MCI Communications Corporation
- Steven Donovan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SIP-based feature control
- Publication number 20030200260
- Publication date Oct 23, 2003
- WorldCom, INC.
- Steven R. Donovan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIP-BASED FEATURE CONTROL
- Publication number 20020129093
- Publication date Sep 12, 2002
- STEVEN R. DONOVAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS PREPAID PLATFORM INTEGRATION WITH STANDARD SIGNALING
- Publication number 20010018337
- Publication date Aug 30, 2001
- STEVEN DONOVAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE