David William Duckworth

Person

  • North Kingstown, RI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Touch screen image setting frame

    • Patent number 7,576,733
    • Issue date Aug 18, 2009
    • Gtech Rhode Island Corporation
    • Laurence Tremaine
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Touch screen image setting frame

    • Publication number 20060007180
    • Publication date Jan 12, 2006
    • Laurence Tremaine
    • G06 - COMPUTING CALCULATING COUNTING