Hoffman Estates, Illinois
United States
4
2014-08-12
The entities that hold a legal rights for patent applications filed by inventor DeMent Jeffrey M.:
Jeffrey M. DeMent from Hoffman Estates, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods and apparatus for implementing customized ringback
#2 | 2007-12-20Customized ringback and communications
#3 | 2007-12-13Customized ringback and communications
#4 | 2005-06-02Methods and apparatus for implementing customized ringback
4534439 ⎘