Chantilly, Virginia
United States
2
2009-07-02
The entities that hold a legal rights for patent applications filed by inventor Lu Xiaomin:
Xiaomin Lu from Chantilly, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods and apparatus for dual-tone multi-frequency signal analysis within a media over internet protocol network
#2 | 2009-01-01Methods and apparatus for dual-tone multi-frequency signal conversion within a media over internet protocol network
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