Patents Represented by Attorney Ward & Olvio

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  • Handset originated programmable ringback replacement system
    Patent number: 7873148
    Abstract: A handset-originated ringback replacement system for modifying or replacing certain communications network tones is disclosed. Communications devices activate and interact with the handset-originated ringback replacement system to allow for modification of the network service.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: January 18, 2011
    Inventors: Clifford J. Radziewicz, Mark R. Gregorek, Jeffrey C. Dillow