TREA

Theodore S. Graff

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  • Sudbury, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Touch sensitive device
    • Patent number 4,055,735
    • Issue date Oct 25, 1977
    • Honeywell Information Systems Inc.
    • Joseph J. Eachus
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Data entry system
    • Patent number 4,013,835
    • Issue date Mar 22, 1977
    • Honeywell Information Systems, Inc.
    • Joseph J. Eachus
    • H03 - BASIC ELECTRONIC CIRCUITRY