Plano, Texas
United States
4
2007-12-13
The entities that hold a legal rights for patent applications filed by inventor Ray Dipankar:
Dipankar Ray from Plano, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for ringback tone personalization
#2 | 2006-09-05System and method for improved session management in a data cellular network
#3 | 2005-08-25Method and apparatus for intelligent paging in a wireless communication network
#4 | 2005-08-25Method and apparatus to reduce mobile switching center involvement in packet data call support
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