Membership
Tour
Register
Log in
Sharon M. Johnson
Follow
Person
Overland Park, KS, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and system for distributing ringback files
Patent number
8,712,026
Issue date
Apr 29, 2014
Sprint Spectrum L.P.
Baoquan Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE