James M. Mathewson, II

Person

  • Chapel Hill, NC, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    RING-TONE IDENTIFIATIONOF URGENT PHONE CALLS

    • Publication number 20090041220
    • Publication date Feb 12, 2009
    • International Business Machines Corporatin
    • Bryan Eric Aupperle
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE