Membership
Tour
Register
Log in
Yi Chen
Follow
Person
Gaithersburg, MD, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
In-call DTMF transport for geostationary mobile satellite communica...
Patent number
6,650,895
Issue date
Nov 18, 2003
Hughes Electronics Corporation
Channasandra Ravishankar
H04 - ELECTRIC COMMUNICATION TECHNIQUE